Honkai: Star Rail is a space fantasy RPG that blends cinematic story with strategic turn based battles.
The second wave of Honkai: Star Rail's Fate/stay night [Unlimited Blade Works] collaboration lands on July 24, 2026. It's bringing the heavy hitters. While Phase 1 gave us Saber and Archer in summer 2025, Phase 2 pushes further with Tohsaka Rin and Gilgamesh joining the roster, plus a free 5-star pick that newcomers and veterans alike shouldn't sleep on.
The event is called "Illusory Creation: Holy Grail War." HoYoverse has confirmed original character artwork by Takeuchi Takashi and story supervision by Nasu Kinoko, the core creators behind the Fate franchise. Creator involvement at that level? Not something you see often in gacha collabs.
Tohsaka Rin and Gilgamesh Join the Slate
Rin arrives as a Quantum/Erudition character, focused on AoE damage built around a "Gem Energy" mechanic. Her skill kit revolves around spending and recovering skill points from both herself and allies to accumulate Gem stacks. Once the stacks are full, her enhanced skill fires off multi-hit Quantum damage that scales with how many stacks you've built up. She also has a built-in synergy with the Phase 1 free unit Archer: when the team runs low on skill points, Rin auto-generates them, keeping multi-attack setups humming. Nice and clean.
Gilgamesh takes the Lightning/Destruction slot. He's built around a "Mood" stacking system. Allies' actions fill his gauge. When it's maxed, his ultimate unleashes the full-screen Noble Phantasm "Enuma Elish" for massive burst damage. Where Gilgamesh really shines is his team synergy with Saber from Phase 1. Pair them together and they trigger follow-up attacks that dramatically improve Saber's rotation speed. If you've been sitting on a Saber you like but couldn't make work, Gilgamesh is basically her missing piece.
Both characters share the same limited collaboration warp banner with a separate pity counter that doesn't cross over to standard limited banners. The pulls you save specifically for this collab stay dedicated to it.
Free 5-Star Pick: Gilgamesh or Archer
Here's the part most players care about. From July 24 to the end of version 4.6, logging in lets you pick between Gilgamesh and Archer for free. No gacha. No conditions. Just show up and claim one.
The choice is pretty straightforward depending on your account. Missed Phase 1 and need a solid single-target Hunt DPS? Pick Archer. His high-frequency skill usage feeds perfectly into Rin's Gem Energy mechanic, and his dedicated collab light cone pushes his output even higher. Already have Saber from Phase 1 and want her at full strength? Gilgamesh is the obvious pick. His follow-up synergy transforms how Saber plays.
There's also a 200-pull milestone reward: spend 200 Star Rail Special Passes on the collab warp banner and you can claim one of two exclusive 5-star light cones: "The Ideal Burning Hell" for Archer (Crit Rate boost plus stacking ATK buffs) or "What I See Is Me" for Gilgamesh (ultimate damage boost plus damage reduction at full Mood stacks). The 200-pull window closes on August 26. Plan your pulls around that cutoff.
The Story: A Stolen Grail and an Interdimensional Mage
The collab's Trailblaze Continuance story picks up after the main 4.4 storyline "A Whistle at the Silent End," which launched July 15. The setup: a golden rain falls, a Holy Grail gets stolen, and the Trailblazer teams up with Rin, who's crossed dimensions while completing a Clock Tower internship assignment, to enter a fabricated Holy Grail War hidden from the Phantom Moon's light.
Rin's in-universe introduction plays it straight with her established lore: the sixth head of the Tohsaka family from a world of magecraft and magic, training under a teacher connected to a Holy Grail War, and now stranded in a dimension without mana. Her reaction to finding the Astral Express's Stellaron says it all: "Wait, this place has no mana at all... Holy Grail? Saved! Excuse me, let me borrow this!" That's character-accurate writing, and it suggests Nasu's story supervision wasn't just a name-drop.
Gilgamesh enters the picture differently: kicked from his own world by a "goddess with a grudge" (a nod any Fate fan will recognize), he arrives still wearing the full ego of the King of Heroes. His line to the Trailblazer lands differently than Rin's panic: "The Stellaron, my treasure. When you reach the end of your path, I shall seal it within the depths of my treasury..." It genuinely expands how Star Rail frames its cosmic threats. Not bad for a crossover.
What the Phase 2 Collab Gets Right
The first collaboration was solid but had rough edges, mostly around Saber's kit feeling incomplete without later support. Phase 2 directly addresses that with Gilgamesh's Saber synergy. That's the kind of planning you expect from a multi-phase event, not two separate releases slapped together.
The free pick structure is also a meaningful improvement. Phase 1's free Archer was good but locked behind a version window. Phase 2 not only gives a second free 5-star but offers Archer again as an alternative, so latecomers aren't punished for missing the first round. Combined with the 200-pull light cone selector and the independent pity system, the event's overall generosity is well above the genre average.
The one area where reactions have been mixed is character design fidelity. Some Fate fans have noted that Gilgamesh's Enkidu chains appear gold in the collab when UBW canon depicts them as silver, and Rin's ultimate animation incorporates elements from Ishtar rather than sticking strictly to Unlimited Blade Works. These are the kind of details that matter deeply to a niche of diehard fans and barely register for everyone else. Your mileage will vary depending on how closely you hold Fate canon.
Conclusion
Anyone playing Honkai Star Rail should log in for this collab, even if it's just to claim the free 5-star before the v4.6 cutoff. The Fate/UBW collaboration Phase 2 doesn't reinvent the game, but it brings strong characters, generous freebies, and a creator-supervised crossover story that's more substantial than most gacha collabs manage. The July 24 launch lands alongside version 4.4, which also adds the new Himeko SP unit. Plenty to do.
Haven't started Star Rail yet? Now's a good time. Download the game and you can still grab the free 5-star before the event window closes.
Honkai: Star Rail is a space fantasy RPG that blends cinematic story with strategic turn based battles.
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