The King Of Heroes Enters The Galaxy: 5 Reasons Gilgamesh Could Be Honkai: Star Rail's Most OP Collab Character (2025 Leaks)

As of December 2025, the *Honkai: Star Rail* community is buzzing with one of the most exciting and unexpected rumors yet: a massive crossover with the legendary anime and visual novel series, *Fate/Stay Night: Unlimited Blade Works* (UBW). This collaboration, heavily rumored to be slated for mid-to-late 2025, has sparked intense speculation about which iconic Servants will join the Astral Express crew. While characters like Saber and Archer are almost guaranteed, the inclusion of the King of Heroes, Gilgamesh, would fundamentally change the game's meta and lore, introducing a character whose sheer arrogance and power rival even the Aeons. The prospect of Gilgamesh, the golden-armored demigod with the Gate of Babylon, stepping onto the Xianzhou Luofu or Penacony is a tantalizing thought for fans of both franchises. Recent leaks and community discussions point toward a Q3 2025 release window for the *Fate* collaboration, making the possibility of Gilgamesh a very current and hot topic. His unique abilities and legendary status from the *Fate* universe offer a wealth of design potential for Hoyoverse, from a powerful new Path to game-breaking Eidolons that reflect his title as the "Oldest King."

Potential Honkai: Star Rail Profile: Gilgamesh, King of Heroes

Since Gilgamesh is not a native *Honkai: Star Rail* character, his profile would be a translation of his *Fate* persona into the game's established framework. This speculative biography outlines how the arrogant King of Uruk might be introduced to the Trailblazer's journey as a limited-time 5-star character.

• Name: Gilgamesh
• Rarity: Limited 5-Star Character
• Element: Imaginary or Physical (Reflecting his diverse arsenal)
• Path: The Erudition (AoE Damage) or The Destruction (High Single-Target & AoE)
• Affiliation (Collab Event): The Astral Express / Chaldea (as a reference to *Fate/Grand Order*)
• Weapon: Sword/Spear (Uses various weapons from the Gate of Babylon)
• Homeworld (Origin): Uruk (Ancient Mesopotamia, Earth)
• Key Lore Parallel: A being with power that approaches that of an Aeon, specifically a reflection of the Path of Avarice or The Hunt, due to his immense treasure and singular focus.

The 5 Reasons Gilgamesh Would Break the HSR Meta

The transition of a character from one game to another requires careful balancing, but Gilgamesh's core identity is so powerful that it's highly likely he would be designed as a top-tier damage dealer. His inclusion is not just about adding another character; it's about adding the "King of Heroes."

1. A New Form of Erudition: The Gate of Babylon Mechanic

Gilgamesh’s signature ability is the Gate of Babylon, which allows him to summon and fire countless Noble Phantasms (weapons) at his enemies. In *Honkai: Star Rail*, this translates perfectly into the Path of Erudition, but with a unique twist.

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Instead of a standard blast, Gilgamesh's Skill or Ultimate could involve a "Summon" mechanic. He might summon a temporary construct—the Gate of Babylon—that continuously fires random attacks (different elements, debuffs, or single-target/AoE) for a set number of turns. This would make him the first Erudition character with a sustained, turn-based AoE presence, similar to a mix between Jing Yuan's Lightning-Lord and a traditional DPS. The random nature could even reflect the vast, unknown contents of his treasury.

2. The Ultimate: Enuma Elish, Star-Shattering Damage

His ultimate attack, the Enuma Elish (Sword of Rupture, Ea), is a weapon capable of "cleaving the world." This must be translated into the highest damage multiplier in the game.

The Ultimate could be a massive, screen-wiping Imaginary or Physical damage attack that is guaranteed to ignore a percentage of the enemy's DEF, or even a unique mechanic that applies a permanent, unremovable debuff to all enemies—a true demonstration of his power. Furthermore, the animation for Enuma Elish would undoubtedly be one of the most visually stunning Ultimates in the game, rivaling that of characters like Kafka or Blade.

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3. The Path of Avarice: A New Aeon Parallel

While Gilgamesh is a Servant, his entire being revolves around his treasure and his claim to all things in the world. This concept aligns eerily well with the philosophies of the *Honkai: Star Rail* Aeons. While there is no official "Aeon of Avarice," Gilgamesh's obsession with his collection could be a thematic mirror to the Path of Abundance or even a twisted form of The Preservation, where he preserves his wealth.

His Trace abilities could grant him bonuses based on the total number of Light Cones and Relics the player owns, or even a mechanic that "steals" buffs from the enemy, reflecting his belief that everything belongs to him. This unique interaction with the game's meta would make him a truly distinct character.

4. Eidolons: The King's Wealth and Power

Gilgamesh's Eidolons (E1 to E6) would likely be named after his titles or specific Noble Phantasms, such as the "Chain of Heaven" (Enkidu) or "Collector."

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• E1 - The Collector: Increases his damage based on the number of unique 5-star characters in the player's roster, or perhaps grants an extra Skill Point at the start of combat, reflecting his endless resources.
• E4 - Golden Rule: Grants a high chance to not consume a Skill Point when using his Skill, maximizing his damage output.
• E6 - Star of Creation that Splits the Heavens and Earth: Upon using his Ultimate, he immediately launches a second, weaker Enuma Elish attack, or his Ultimate's damage is multiplied for every enemy on the field, ensuring maximum destruction.

5. The Collab Context: A Guaranteed Pull for Topical Authority

The *Fate/Stay Night* collaboration, if the leaks hold true for Q3 2025, is a massive event. Hoyoverse typically ensures that collaboration characters are exceptionally powerful to drive engagement and revenue. The initial leaks suggest Saber and a free Archer, but Gilgamesh is the character who brings the most raw, undisputed power to the table from the *Fate* universe.

His presence would elevate the entire event, attracting a huge cross-section of players from the *Fate* fandom who may have never played *Honkai: Star Rail*. Therefore, the business decision to make Gilgamesh a top-tier, meta-defining DPS is incredibly strong, ensuring that he is a "must-pull" unit for both dedicated Trailblazers and new players alike.

What About the Competition? Archer and Saber's Role

While Gilgamesh is the ultimate prize, the collaboration would also feature other iconic Servants. Leaks suggest that Saber (Artoria Pendragon) would be a limited 5-star character, likely following the Path of The Destruction with a focus on her Excalibur Ultimate.

Archer (Emiya) is rumored to be a free 5-star character, potentially on the Path of The Hunt or The Erudition, utilizing his Unlimited Blade Works Reality Marble as a unique field effect.

Gilgamesh's potential role as the third, and arguably most powerful, character in the banner line-up would create a powerful trio of limited-time characters, ensuring the *Fate* collaboration becomes the most talked-about event in *Honkai: Star Rail* history. The sheer topical authority of the *Fate* IP, combined with the power of the King of Heroes, makes this leak one of the most exciting prospects for the game in 2025.