Jesmon

Jesmon Digimon file

Jesmon is the youngest of the Royal Knights. It is a Mega-level, Data-attribute Holy Knight whose name stands for Justice, Edge, Swordsman. This profile covers the full Hackmon line, all three Jesmon forms (base, X Antibody and GX), its attacks and its appearances in the anime, the games and the cards. It also explains how to get Jesmon in Digimon Story: Time Stranger and the Anti-ParadoX DLC.

LevelMega
AttributeData
TypeHoly Knight
DebutDigimon Reference Book (2014)
Japanese nameJESmon (ジエスモン)

Key takeaways

  • Jesmon is a Mega, Data-attribute Royal Knight that grows out of Hackmon, with SaviorHuckmon as its usual Ultimate form.
  • It has two upgrades: Jesmon (X Antibody), and Jesmon GX, which is powered by Gankoomon’s X-Antibody.
  • In Digimon Story: Time Stranger you can’t find Jesmon in the wild. You have to digivolve into it, and Jesmon (X Antibody) needs the Anti-ParadoX DLC.
  • Its anime debut is the Digimon Adventure tri. film Confession, where it fights Alphamon.
  • In the Digimon Card Game, Jesmon has printings from ST12 through BT23 Hackers’ Slumber, plus championship promos.

Fact-checked

We checked these key facts against the sources named, on November 10, 2026:

  • There is also a Pre-Release Stamped Jesmon (X Antibody), an alternate-art BT10-016 and Event Pack 2 copies of BT6-016 (source: world.digimoncard.com)
  • The film uses the duel to show the danger, not to settle a power ranking. – Cards: Jesmon GX BT10-112 has a play cost of 15 and 15000 DP (source: world.digimoncard.com)
  • Wikimon’s profile says that, unlike most Royal Knights, Jesmon chooses to fight alongside nearby Digimon and the Sistermon so that it never becomes overconfident (source: wikimon.net)

Who is Jesmon

Jesmon official artwork
Jesmon. Official artwork: Digimon Reference Book. © Akiyoshi Hongo, Toei Animation, Bandai

Jesmon (JESmon in Japanese) is a Holy Knight Digimon and the newest member of the Royal Knights, the order of thirteen holy warriors that guards the Digital World’s network. Bandai’s Digimon Reference Book added it on December 19, 2014. It is the final form of Hackmon, the small red dragon trained by Gankoomon, and it fights with blades on its arms, a long sword-tipped tail and three small companions called Atho, René and Por. In the Japanese level system it is an Ultimate (究極体), which the English releases call Mega.

The design tells you the story: Jesmon is still learning. Wikimon’s profile says that, unlike most Royal Knights, Jesmon chooses to fight alongside nearby Digimon and the Sistermon so that it never becomes overconfident. It is usually the first Royal Knight to respond when chaos breaks out. That young, eager but humble personality, a student who has just become a master, is why the Hackmon line is such a fan favourite. Its two upgraded forms show it growing up.

Why is it called Jesmon?

The “JES” in Jesmon is an acronym for Justice, Edge, Swordsman, according to Wikimon’s design notes. That is why the Japanese name is written JESmon with capital letters. Designer Kenji Watanabe also said the pronunciation sounds like “Jesus”. This fits the “Warrior of Salvation” theme and the name of its Ultimate form, SaviorHuckmon.

The capitals got lost in English. Bandai’s English releases, from the Cyber Sleuth games to the Digimon Card Game, use “Jesmon”, so that is the spelling on this page. The meaning hasn’t changed: it is a sword-based knight of justice, and the near-homophone with Jesus is deliberate.

What the “GX” in Jesmon GX means

The G in Jesmon GX stands for Gankoomon X and the X for the X-Antibody, Wikimon’s design notes say. The name records how the form happens. In Digimon Chronicle X, Gankoomon (X-Antibody) gives all of its X-Antibody power to Jesmon (X Antibody), which turns into Jesmon GX in the middle of a battle. So the name works as a family tree: the student’s form, carrying the master’s initial.

Gankoomon: mentor and master

Gankoomon is the Royal Knight who raised Hackmon, and its influence shows all through Jesmon’s design. Jesmon’s arm-blade attack Tekken Seibai is a pun on Gankoomon’s Tekken Seisai. Atho, René and Por fill the same role for Jesmon that the Hinukamuy fill for Gankoomon: small companions that fight beside their knight. Gankoomon is also often one of the other forms SaviorHuckmon can become, so in games like Time Stranger you choose between becoming the student or the master.

Did you know?

According to Wikimon, the Digimoji (the Digimon alphabet) on Jesmon’s tail sword read “Forced Termination”, which suits a Royal Knight whose job is to end crises fast.

Evolution line

Across media, Jesmon’s usual line is Hackmon → BaoHackmon → SaviorHuckmon → Jesmon, then Jesmon (X Antibody) and Jesmon GX as upgrades. Each medium handles the steps differently. The tri. anime jumps straight from Hackmon to Jesmon. Digimon Masters uses a warp digivolution. Time Stranger adds an unexpected second parent. Check which medium a source is talking about before you trust its chart.

Jesmon evolution chart

Stage Digimon Notes
Rookie Hackmon Gankoomon’s apprentice; servant of Homeostasis in Digimon Adventure tri.
Champion BaoHackmon The Champion step in game and card lines; the tri. anime skips it
Ultimate SaviorHuckmon The standard parent of Jesmon in the Digimon Story games and the card game
Mega Jesmon Youngest Royal Knight, Data attribute, Holy Knight type
Mega (X Antibody) Jesmon (X Antibody) Jesmon carrying the X-Antibody; DLC3 form in Time Stranger
Mega (fusion of power) Jesmon GX Created when Gankoomon (X-Antibody) passes its power to Jesmon X in Digimon Chronicle X

SaviorHuckmon is spelled several ways. Game databases and cards use “SaviorHuckmon”, Digimon Masters uses “SaviorHackmon”, and some Time Stranger field guides list the Rookie as “Huckmon”. These all mean the same Digimon.

Anime and manga line

From To Where it happens
Hackmon Jesmon Digimon Adventure tri. chapter 6, Our Future: Hackmon digivolves to stop Ordinemon escaping
Jesmon (X Antibody) Jesmon GX Digimon Chronicle X: Gankoomon (X-Antibody) transfers its X-Antibody power during the fight with Ogudomon (X-Antibody)

Digimon Story: Time Stranger line

From To Conditions
SaviorHuckmon Jesmon Nightly Gaming Binge’s field guide lists Agent Rank 7+, ATK 1730+, DEF 1730+, SPD 1650+
Garudamon Jesmon Listed by Grindosaur as a second parent; exact gates are shown in the in-game Digivolution menu
Jesmon (X Antibody) Jesmon Available once the Anti-ParadoX DLC (DLC3) is installed; the X Antibody form can also be de-digivolved

Grindosaur’s Time Stranger database lists Jesmon as a Mega, Data-attribute Holy Knight with the Royal Knight trait. It also notes that you can never meet Jesmon in the field: you only get it by digivolving or de-digivolving.

Digimon Card Game line

From To Card rule
Level 5 (SaviorHuckmon line) Jesmon BT23-013 Digivolve cost 4 from Lv.5
Jesmon Jesmon (X Antibody) BT20-019 Digivolve cost 1 from a Jesmon
Jesmon line Jesmon GX (BT10-112, BT20-021) Finisher cards; X Antibody inherited effects switch on while the Digimon is Jesmon GX

Digimon Masters line

The Digital Masters World wiki says that in Digimon Masters, Jesmon warp digivolves from SaviorHackmon using Atho, René and Por, and can then go on to Jesmon X. Because it is a warp digivolution, Jesmon works more like a powerful branch off SaviorHackmon than a normal fifth stage.

Who evolves into Jesmon?

Across almost every medium, SaviorHuckmon is the Digimon that evolves into Jesmon. The exceptions are Hackmon’s direct jump in Digimon Adventure tri. and Garudamon, which Grindosaur lists as a second parent in Time Stranger. If you are raising a Hackmon in any Digimon Story game, plan around SaviorHuckmon. At the Ultimate level you usually choose between Gankoomon and Jesmon, and Wikimon also lists TigerVespamon as one of SaviorHuckmon’s possible forms.

Jesmon (X Antibody)

Jesmon (X Antibody) is Jesmon after the X-Antibody has rewritten its data, much like the X versions of the other Royal Knights. Wikimon’s summary of its story has Jesmon sent to the Old Digital World to support Craniummon (X-Antibody) and Sleipmon (X-Antibody). In Time Stranger it is DLC3 content, and Grindosaur lists a level 99 base stat total of 56,112 (before in-game multipliers), Friendly as its most common personality, and Weltflügel among its skills.

Jesmon GX: the final form

Jesmon GX is the top of the line, and only Jesmon (X Antibody) can reach it, with Gankoomon’s help. Its signature move, Knights’ Intruder, makes Jesmon GX the “fourteenth Ultimate-Battle-Blade that should not exist” among the thirteen Royal Knights, as Wikimon describes it. It is also the player’s partner Digimon in Digimon New Century, the most prominent role it has had outside the cards.

Jesmon vs Jesmon X Antibody vs Jesmon GX

Form Signature move(s) How it’s reached Debut / key media Time Stranger availability
Jesmon Tekken Seibai, Schwertgeist, Aus Generics SaviorHuckmon (games, cards); Hackmon directly in tri. Reference Book 2014; anime in tri. Confession Base game; digivolve or de-digivolve only
Jesmon (X Antibody) Weltflügel listed among its Time Stranger skills Jesmon plus the X-Antibody Digimon Chronicle X; Digimon Masters; BT10 cards Anti-ParadoX DLC (DLC3), March 2026
Jesmon GX Knights’ Intruder Jesmon X receiving Gankoomon (X-Antibody)’s power Digimon Chronicle X; partner in Digimon New Century Not part of the base game or the DLC3 X Antibody list

Signature attacks

Jesmon fights like a fencer with backup: a fast arm-blade attack, a counter that blocks from every direction, and a data-rewriting move that breaks the Digital World’s normal rules. Attack names can change between games (Digimon ReArise calls Aus Generics “OS Generics”, for example), but the core moves stay the same.

Attack Form What it does
Tekken Seibai Jesmon Cuts enemies to pieces with the blades on its arms while moving at high speed
Schwertgeist Jesmon All-directions counter: Jesmon, Atho, René and Por meet every incoming attack with blades
Aus Generics Jesmon Rewrites data, ignoring the Digital World’s normal physics
Weltflügel Jesmon (X Antibody) Listed among its skills in Digimon Story: Time Stranger
Knights’ Intruder Jesmon GX Turns Jesmon GX into the “fourteenth” Royal Knight blade that should not exist

Tekken Seibai

Tekken Seibai is Jesmon’s basic slashing attack: it moves at high speed and cuts the target apart with its arm blades. The name echoes Gankoomon’s Tekken Seisai on purpose. Its first strike carries its teacher’s style, changed from Gankoomon’s iron fist to a blade. Digimon Masters keeps the original name.

Schwertgeist and Atho, René and Por

Schwertgeist is a counter that blocks attacks from every direction. It needs Jesmon’s three companions, Atho, René and Por, to work, because together they meet every incoming attack with a blade. This is how Jesmon’s “teamwork first” personality looks in battle: even its defence relies on other fighters.

Atho, René and Por are Jesmon’s companions in the same way that the Hinukamuy are Gankoomon’s. In Digimon Masters they also help start Jesmon’s warp digivolution from SaviorHackmon. Their names line up neatly with Alexandre Dumas’ Three Musketeers: Athos, Porthos and Aramis, whose real name is René d’Herblay. The musketeer echo suits a young swordsman who fights alongside his comrades.

Aus Generics explained

Aus Generics is the move behind most “Jesmon is broken” arguments. Rather than hitting harder, it rewrites data, ignoring the physical rules that normally govern the Digital World. A Digimon’s body, attacks and surroundings are all data, so a move that rewrites data while ignoring those rules goes around the usual contest of power against defence. That is why fans call Jesmon so strong even though it is the youngest Knight: Aus Generics changes the rules of the fight instead of winning the normal contest of power.

Knights’ Intruder

Knights’ Intruder is Jesmon GX’s signature move. The Royal Knights are thirteen blades, and Knights’ Intruder makes Jesmon GX a fourteenth blade that “should not exist”. In story terms, the X-Antibody and Gankoomon’s power have pushed the youngest Knight past the limits of the order it belongs to.

Is Jesmon GX stronger than Alphamon?

No official source ranks Jesmon GX above Alphamon, so the honest answer is no: the canon doesn’t say so. It does, however, put GX in a class where the question is fair to ask. Here is what each source actually shows.

  • Lore: Ranked lists of the Royal Knights usually start with Alphamon and end with Jesmon, as TV Tropes notes, which reflects Jesmon’s place as the youngest. Knights’ Intruder, though, is described as a blade beyond the thirteen. Officially, that is a claim of being outside the order, not of being above its strongest member.
  • Anime: In Digimon Adventure tri. Confession, base Jesmon (not GX) fights Alphamon, and the Chosen Children get caught in the crossfire. The film uses the duel to show the danger, not to settle a power ranking.
  • Cards: Jesmon GX BT10-112 has a play cost of 15 and 15000 DP. That is a finisher-level body, 3000 DP above the 12000 DP of BT23-013 Jesmon. Card stats measure game balance, though, not canon strength.

On paper, Jesmon GX is the strongest version of Jesmon, and Aus Generics plus Knights’ Intruder give it rule-breaking tools. But Alphamon has no official loss to it, so treat “GX beats Alphamon” as a fan debate, not a fact.

Appearances

Jesmon appears across the Digimon franchise: the Digimon Adventure tri. films, the Digimon Chronicle X story, the Digimon Story RPGs, online and mobile games, and many Digimon Card Game sets. Most fans meet it through tri. or Time Stranger. Card players know it mainly as one of the strongest red Royal Knight decks.

Digimon Adventure tri.

Digimon Adventure tri., a six-part film series released in Japan between 2015 and 2018, gives Jesmon its anime debut and gives Hackmon a central role. Hackmon serves Homeostasis, the force that keeps the Digital World in balance, and its main job is watching Meicoomon. Several films show it as a small Rookie that is always nearby, with far more power than it lets on.

tri. chapter Japanese release Jesmon / Hackmon role
Chapter 3: Confession September 2016 Anime debut of Jesmon; fights Alphamon while the Chosen Children are caught in the crossfire
Chapter 5: Coexistence September 2017 Jesmon fights again, with Alphamon and Omegamon also involved
Chapter 6: Our Future May 2018 Hackmon digivolves into Jesmon to stop Ordinemon from escaping

As for why Jesmon fought Alphamon in tri., Confession shows Jesmon as Homeostasis’s agent during the Meicoomon crisis, while Alphamon acts on its own judgement. The later chapters fill in the background. For your first viewing, Our Future is the chapter where Hackmon evolves into Jesmon and then Jesmon GX at the decisive moment. Our guide on where to watch Digimon on Crunchyroll, Hulu, Netflix and Blu-ray covers current availability.

Digimon Chronicle X

Digimon Chronicle X is a Digimon manga and story project in which Jesmon (X Antibody) and Jesmon GX appear. It centres on the X-Antibody versions of the Royal Knights in the Old Digital World. The key scene is the battle with Ogudomon (X-Antibody), where Gankoomon (X-Antibody) passes all of its X-Antibody power to Jesmon X, which digivolves into Jesmon GX during the fight.

Is Jesmon GX canon or just a card game thing? It is canon story material. Jesmon GX is born in Chronicle X’s narrative, and Digimon New Century made it the player’s partner. The Digimon Card Game picked up the form later, which is why so many players think of GX as a “card”.

How to get Jesmon in Digimon Story: Time Stranger

In Time Stranger you can only get Jesmon by digivolving it from SaviorHuckmon (Garudamon is also a listed parent) or by de-digivolving a higher form, because it never appears in the field. You need to meet an Agent Rank minimum and stat thresholds, and the Digivolution menu shows the exact gates for each path. Jesmon (X Antibody) also needs the paid Anti-ParadoX DLC.

The game is a big release. Time Stranger launched on October 3, 2025, and Gematsu reported that it passed 1 million copies (shipments plus digital) by December 2025, making it the fastest-selling title in the Digimon Story series. Automaton later reported Bandai Namco’s statement that Time Stranger and the Digimon Card Game helped the Digimon brand reach its highest-ever annual profit in the fiscal year ending March 2026. Royal Knights like Jesmon are among the most-searched targets in the game.

How to get Jesmon in Digimon Story: Time Stranger

  1. Get a Hackmon (listed as Huckmon in some field guides) or any Digimon on the SaviorHuckmon line.
  2. Raise it through BaoHackmon to SaviorHuckmon.
  3. Raise your Agent Rank to the minimum the Digivolution menu shows (Nightly Gaming Binge lists rank 7).
  4. Train SaviorHuckmon’s ATK, DEF and SPD past the listed thresholds without counting equipment.
  5. Open the Digivolution menu on SaviorHuckmon and choose Jesmon.

Base Jesmon: requirements and what to watch

Nightly Gaming Binge’s SaviorHuckmon field guide lists the SaviorHuckmon to Jesmon path as Agent Rank 7 or higher, ATK 1730+, DEF 1730+ and SPD 1650+. Treat those numbers as a target to plan around and confirm them in the game. Time Stranger’s Digivolution menu shows the live requirements for every path from the Digimon you have selected, and that screen is the final word.

The detail that catches most players is that equipment bonuses don’t count. A SaviorHuckmon wearing stat gear can show 1730 ATK on its status screen and still be locked out, because the requirement checks its base stats. Training, not equipment, gets you over the line.

Tamer tip

Check SaviorHuckmon’s Digivolution menu before you start a long grind. It shows exactly which gate (Agent Rank or a specific stat) is still blocking Jesmon, and equipment bonuses never count toward those numbers.

Agent Rank is the other gate. Spending Anomaly Points on Agent Skills raises your Agent Rank, which unlocks higher-tier digivolutions across your whole party. Do that before you push for Megas such as the Royal Knights. Because Jesmon never appears in the wild, the efficient plan is to start a Hackmon line early and level it while you play through the story, rather than trying to build one from nothing late in the game.

Does Jesmon digivolve into anything in Time Stranger, or is it a dead end? In the base game, Jesmon sits at the top of its line, so Mega-to-Mega progress means switching lines or de-digivolving. Guides written before March 2026 can’t include the X Antibody form, and the field guides don’t agree on what Jesmon’s forward options are: Grindosaur’s database and Nightly Gaming Binge’s field guide list different paths. With the DLC installed, use the in-game menu to check.

Jesmon (X Antibody) and the Anti-ParadoX DLC

Yes, you need the DLC to get Jesmon X. It is part of “Additional Digimon & Episode Pack 3: Anti-ParadoX”, which RPG Site reports came out on March 11, 2026 in the Americas and March 12, 2026 in Asia-Pacific. The pack adds X Antibody versions of five Royal Knights plus a new story episode featuring Asuna Shiroki and Monica Simmons.

Digimon Platform / region release date
Omnimon (X Antibody) March 11, 2026 (Americas), March 12, 2026 (Asia-Pacific)
Gallantmon (X Antibody) March 11, 2026 (Americas), March 12, 2026 (Asia-Pacific)
Magnamon (X Antibody) March 11, 2026 (Americas), March 12, 2026 (Asia-Pacific)
UlforceVeedramon (X Antibody) March 11, 2026 (Americas), March 12, 2026 (Asia-Pacific)
Jesmon (X Antibody) March 11, 2026 (Americas), March 12, 2026 (Asia-Pacific)
All five, Nintendo Switch September 30, 2026 per the eShop listing reported by Nintendo Soup

When is Anti-ParadoX coming to Switch? Nintendo Soup reported that the Switch eShop page listed Anti-ParadoX for September 30, 2026, about six months after the PC and console release. If you play on Switch, check your own eShop page for the current status of the pack. Many store pages also include DLC3 in the Season Pass, so check whether you already own it before buying it separately.

Tamer tip

Jesmon (X Antibody) has the highest base stat total of any Jesmon form in Time Stranger: 56,112 at level 99 per Grindosaur. If you already own the Season Pass, check your add-ons list before buying Anti-ParadoX again.

Other Digimon games

Outside Time Stranger, Jesmon shows up in most modern Digimon games, usually as a late-game reward for raising Hackmon. The table below covers the main appearances confirmed by game databases and wikis.

Game Jesmon’s role
Digimon Crusader Early card-battle appearance from Jesmon’s 2014 design era
Digivice Ver.15th (V-Pet) Part of the Hackmon line on the 15th-anniversary virtual pet
Digimon Story: Cyber Sleuth series Recruitable Mega; the profile calls it “a new, fledgling holy knight”
Digimon Masters (Online) Warp digivolves from SaviorHackmon using Atho, René and Por; can reach Jesmon X
Digimon ReArise Aus Generics appears as “OS Generics”
Digimon New Century Jesmon GX is the player’s partner Digimon
Digimon Story: Time Stranger Mega, Data, Holy Knight, Royal Knight trait; X Antibody form in DLC3

Two of these deserve a closer look. Digimon New Century is the best way to spend time with Jesmon GX itself, because there it is a partner that grows with you, not a final boss or a card. Digimon Masters is the best place to see Atho, René and Por in action, because the warp digivolution spells out how they connect to Jesmon. The Digivice Ver.15th is a reminder that the Hackmon line has been on V-Pets since Jesmon’s first year; our guide on what a Digivice is and how it works across Digimon explains how those devices handle evolution.

Digimon Card Game

In the Digimon Card Game, Jesmon is a red Royal Knight engine with many printings: a dedicated starter deck (ST12), base Jesmon cards in BT6, BT13 and BT23, Jesmon (X Antibody) in BT10 and BT20, and Jesmon GX in BT10 and BT20. If you are new to the game, our guide to the Digimon Card Game explains how digivolve costs, DP and inherited effects work.

Card number Name Set Rarity Play cost / DP Notable effect
ST12 Starter Deck Jesmon Starter Deck ST-12 Starter Pre-built deck Mostly red Hackmon/Royal Knight deck, including ST12-08 SaviorHuckmon
BT6-016 Jesmon BT6 Double Diamond Super Rare 11 / 11000 Data Holy Warrior/Royal Knight; works with Sistermon and gains power when you play other Digimon
BT10-016 Jesmon (X Antibody) BT10 Xros Encounter Super Rare 12 / – Holy Warrior/Royal Knight/X Antibody; lets your Digimon attack unsuspended Digimon and gain DP when the conditions are met
BT10-112 Jesmon GX BT10 Xros Encounter Secret Rare 15 / 15000 Red/Black; while it is Jesmon GX, its inherited effect gives all your Digimon Piercing and lets them attack unsuspended Digimon
BT13-017 Jesmon BT13 Versus Royal Knights Rare 11 / 11000 Red; also printed as a stamped pre-release card
BT20-019 Jesmon (X Antibody) Release Special Booster Ver.2.0/2.5 Rare 12 / 12000 Digivolves from Jesmon for 1; Alliance; inherited Piercing and unsuspended attacks while it is Jesmon GX
BT20-021 Jesmon GX ACE Release Special Booster Ver.2.0/2.5 Super Rare 9 / – Holy Warrior/X Antibody/Royal Knight ACE version of GX
BT23-013 Jesmon BT23 Hackers’ Slumber Super Rare 12 / 12000 Digivolve cost 4 from Lv.5; Holy Warrior/Royal Knight/CS; can attack when another of your Digimon is played (once per turn)

Best Jesmon cards to know

The Jesmon (X Antibody) cards (BT10-016 and BT20-019) are what the deck is built around, because they turn the whole board aggressive. Jesmon decks want to fill the field with Sistermon and other Digimon, then use Piercing and attacks on unsuspended Digimon to remove blockers and push security damage. BT20-019’s 1-cost digivolve from Jesmon makes the step from base Jesmon to X Antibody almost free.

BT23-013 is the newest base Jesmon, from Hackers’ Slumber. Its once-per-turn extra attack when another of your Digimon is played fits the old “Jesmon never fights alone” theme well. Its CS trait also ties it into the Hackers’ Slumber cards, so it has a role outside pure Royal Knight decks.

For a budget start, Starter Deck Jesmon (ST12) is the cheapest way into the Hackmon line. Twinfinite’s upgrade guide for it suggests adding two BT10-016 Jesmon (X Antibody), a BT10-112 Jesmon GX, four SaviorHuckmon, Sistermon Ciel and Gankoomon. That is a clear path from a starter box to a competitive red list. The ST12 and ST13 starters also came with six exclusive alternate-art cards between them.

Collector printings

Jesmon has some of the most prestigious promos in Digimon Card Game history. CardTrader lists a Jesmon GX “2023 World Championship | Champion” printing, a Jesmon (X Antibody) BT10-016 “2023 Championship Finals | 1st Place” printing, and a Jesmon “2023 Championship Finals | 3rd and 4th Place” printing. There is also a Pre-Release Stamped Jesmon (X Antibody), an alternate-art BT10-016 and Event Pack 2 copies of BT6-016. Our guide to Digimon Card Game championships, the Evolution Cup and ranked events explains how those prize cards are given out.

Tamer tip

For collectors, the gold-border BT20-021 Jesmon GX and the 2023 Championship promos are the premium Jesmon printings. Starter Deck Jesmon (ST12) remains the cheapest way into the Hackmon line, and regular copies of BT10-016 cost far less than its alternate art.

Did you know?

CardTrader lists a Jesmon GX printing labelled “2023 World Championship | Champion”, so the youngest Royal Knight was the card awarded to the 2023 Digimon Card Game world champion.

Trivia

Jesmon’s design is full of hidden references: its name, its companions, its tail sword and even its move names all point to its theme of a young knight of salvation. Here are the confirmed details fans most often ask about.

  • The name is an acronym. JES stands for Justice, Edge, Swordsman, and Kenji Watanabe noted that the sound resembles “Jesus”, according to Wikimon.
  • It debuted in the Reference Book. Bandai’s Digimon Reference Book entry is dated December 19, 2014, about two years before its anime debut in tri. Confession.
  • Its tail is labelled. The Digimoji on the tail sword read “Forced Termination”.
  • It is designed as a team player. Most Royal Knights act alone, but Jesmon chooses to fight with nearby Digimon and the Sistermon, Sistermon Blanc and Sistermon Ciel, so it never becomes overconfident.
  • Its first attack nods to its teacher. Tekken Seibai is a pun on Gankoomon’s Tekken Seisai.
  • Its companions sound like musketeers. Atho, René and Por match Athos, Aramis (René d’Herblay) and Porthos from Dumas’ The Three Musketeers.
  • GX is a family name. G for Gankoomon X, X for the X-Antibody.
  • It is the “fourteenth blade”. Knights’ Intruder puts Jesmon GX outside the thirteen-member Royal Knights.
  • It is listed last. Ranked lists of the Royal Knights usually start with Alphamon and end with Jesmon, which reflects its place as the youngest member.
  • One move has two names. Digimon ReArise calls Aus Generics “OS Generics”.
  • It has a card-set namesake. The Jesmon (X Antibody) card BT10-016 comes from Xros Encounter, a set built around the Xros Wars era; our Digimon Xros Wars Digimon list covers that side of the franchise.

FAQ

Why is Jesmon called Jesmon?

The JES in Jesmon is an acronym for Justice, Edge, Swordsman, which is why the Japanese spelling is JESmon. Designer Kenji Watanabe also noted that the pronunciation sounds like “Jesus”, which matches its saviour theme and the name of its Ultimate form, SaviorHuckmon.

Why is Jesmon so strong?

Jesmon combines a high-speed blade attack (Tekken Seibai), a counter that blocks from every direction (Schwertgeist) and Aus Generics, which rewrites data and ignores the Digital World’s normal physics. That last move is why it can fight older Royal Knights on equal terms despite being the youngest.

Who evolves into Jesmon?

SaviorHuckmon is the standard pre-evolution in the Digimon Story games, Digimon Masters and the card game. In Digimon Adventure tri., Hackmon digivolves straight into Jesmon. Grindosaur also lists Garudamon as a parent in Digimon Story: Time Stranger.

What does Jesmon evolve into?

Jesmon’s upgrades are Jesmon (X Antibody) and Jesmon GX. In Digimon Chronicle X, Jesmon X becomes Jesmon GX when Gankoomon (X-Antibody) gives it all of its X-Antibody power during the fight with Ogudomon (X-Antibody).

Is Jesmon a Royal Knight?

Yes. Jesmon is the youngest and newest of the thirteen Royal Knights, and Time Stranger gives it the Royal Knight trait. It is usually listed last, after Alphamon, Omnimon and the other veterans.

Is Jesmon the newest Royal Knight?

Jesmon is the youngest Royal Knight in its own lore. Its 2014 Reference Book entry also makes it one of the most recent additions to the order’s thirteen seats.

Is Jesmon GX stronger than Alphamon?

No official source says so. Knights’ Intruder makes Jesmon GX a blade “that should not exist” outside the thirteen Knights, and its card version hits 15000 DP. But Alphamon is usually listed first among the Knights, and Jesmon GX itself appears in Digimon Adventure tri. Chapter 6: Our Future.

Is Jesmon GX canon or just a card game thing?

It is canon story material. Jesmon GX comes from Digimon Chronicle X and is the player’s partner in Digimon New Century. The Digimon Card Game printed it later, in BT10 and BT20.

How do you get Jesmon in Digimon Story: Time Stranger?

Digivolve it from SaviorHuckmon (or Garudamon), or de-digivolve into it, because it never appears in the field. The Digivolution menu shows the Agent Rank and stat gates, and equipment bonuses don’t count toward them.

What are the requirements to get SaviorHuckmon to Jesmon?

Nightly Gaming Binge’s field guide lists Agent Rank 7+, ATK 1730+, DEF 1730+ and SPD 1650+. Confirm these on SaviorHuckmon’s Digivolution menu in the game, which shows the live requirements.

Does Jesmon digivolve into anything in Time Stranger, or is it a dead end?

In the base game, Jesmon is the top of its line. Jesmon (X Antibody) only appears once the Anti-ParadoX DLC is installed, so guides written before March 2026 show no forward path. Check the in-game menu for your own setup.

How do you get Jesmon X Antibody in Time Stranger?

Buy “Additional Digimon & Episode Pack 3: Anti-ParadoX” on its own or as part of the Season Pass. It came out on March 11, 2026 (Americas) and March 12, 2026 (Asia-Pacific), and adds Jesmon (X Antibody) alongside four other X Antibody Royal Knights.

Do I need the DLC to get Jesmon X?

Yes. Jesmon (X Antibody) is DLC3 content in Time Stranger. Base Jesmon is available without any DLC.

When is Anti-ParadoX coming to Switch?

Nintendo Soup reported that the Switch eShop listing gave September 30, 2026, later than the March 2026 release on other platforms. Check your eShop for the current listing.

What episode does Jesmon appear in Digimon Adventure tri.?

Jesmon’s anime debut is Chapter 3, Confession (2016), where it fights Alphamon. It returns in Chapter 5, Coexistence, and in Chapter 6, Our Future, Hackmon digivolves into Jesmon to stop Ordinemon.

Why did Jesmon fight Alphamon in tri.?

Jesmon acts as the agent of Homeostasis during the Meicoomon crisis, while Alphamon follows its own judgement. Their clash in Confession is the first sign that the Digital World’s guardians are divided, and the later chapters show the consequences.

What are Atho, René and Por?

They are Jesmon’s three companions, which do for Jesmon what the Hinukamuy do for Gankoomon. They are needed for the Schwertgeist counter, and in Digimon Masters they power Jesmon’s warp digivolution from SaviorHackmon.

Where should you start with Jesmon?

For the story, watch tri. Confession and then read about Chronicle X for the GX awakening. For gameplay, start a Hackmon line early in Time Stranger and add Anti-ParadoX when you want the X form. For cards, ST12 plus a pair of BT10-016 is the classic first upgrade.

Article notes

Written by

Jasper Quinlan covers the Digimon Card Game and toys for Digimon Generation, from booster set lists and ban list updates to Vital Bracelet and figure release announcements. He checks every card text, rarity and release date against Bandai's official card list, rule documents and product pages so readers can plan decks and collections with confidence.

  • Fact-checked by Noelle Fairbanks against the sources listed below before publication.
  • Published
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  5. Digimon Royal Knights - TV Tropes (tvtropes.org)
  6. Jesmon - Digimon Story Time Stranger - Grindosaur (grindosaur.com)
  7. Jesmon (X Antibody) - Digimon Story Time Stranger - Grindosaur (grindosaur.com)
  8. SaviorHuckmon Field Guide - Digimon Story Time Stranger - Nightly Gaming Binge (nightlygamingbinge.com)