Honkai Star Rail announces Fate/stay night crossover in 3.4 trailer
Hoyoverse¡¯s Honkai Star Rail will be hosting a major collaboration event with Fate/stay night as part of the 3.4 update that was showcased on June 20th. The event will feature Saber and Archer as obtainable characters with their unique Light Cones, and will begin from July 11th onwards.

Honkai Star Rail, the highly successful RPG title released by Hoyoverse, showcased its 3.4 update in a livestream today, and provided a sneak peek into its much-anticipated crossover with Fate/stay night.
Hoyoverse have become one of the pioneers in free-to-play gaming ever since the runaway success of Genshin Impact, which launched in 2020 and garnered a devoted fanbase for its immersive fantasy setting and distinctive character designs.
Honkai: Star Rail ¡Á Fate/stay night [Unlimited Blade Works] Collaboration Benefits Overview
¡ª Honkai: Star Rail (@honkaistarrail) June 20, 2025
Come check out the benefits from the Fate[UBW] collaboration event~
Learn More: https://t.co/xlIqrcRznk#HonkaiStarRail pic.twitter.com/cTwbq2sDBG
Honkai Star Rail, released in 2023, continues Hoyoverse¡¯s dominance of the F2P market, with a storyline focusing more on a sci-fi setting and including call-backs and references to the company¡¯s earlier Honkai titles such as Honkai Impact 3rd.
The 3.4 update, titled ¡°For the Sun is Set to Die¡±, features a crossover story arc with the Trailblazer, and prominent characters from the Fate/stay night franchise, such as Archer, Lancer and Saber. They will be featured in the patch storyline, and will have dedicated banner events.
HSR¡¯s 3.4 collaboration features Saber and Archer
Honkai Star Rail¡¯s 3.4 event introduces Saber and Archer as Collaboration Warps and as part of a Collaboration Storyline. The collaboration event will launch on July 11 at 12:00 (server time) and will allow players to pull for Saber and Archer as playable characters.
The event also offers two unique Light Cones, with Saber¡¯s being called ¡°A Thankless Coronation.¡±, and Archer¡¯s being called ¡°The Hell Where Ideals Burn¡±. Both the characters and their Light Cones have a 5-star rating. Players with a Trailblaze level of 3 or higher can also get Archer as a free login bonus.
Aside from their availability in the Collaboration Warps, Saber and Archer will also appear in 3.4¡¯s crossover storyline event titled ¡°Sweet Dreams and the Holy Grail¡±. Going by the 3.4 trailer visuals, this crossover storyline may also feature appearances from Lancer and Gilgamesh.
Aside from the iconic characters of Fate/stay night, version 3.4 also features a new locale called Aedes Elyse, as well as a new character native to the Honkai Star Rail universe known as Phainon. Phainon has a 5-star rarity, and comes with a 5-star Light Cone known as ¡°Thus Burns The Dawn¡±.
Many of the bonuses of the HSR and Fate/Stay night collaboration event will remain available until the end of update 3.6, per Hoyoverse¡¯s official social media.
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