PONOS is holding a movie Fate/stay night [Heaven's Feel] collaboration event in its mobile tower defense game The Battle Cats starting at 11:00 a.m. on the 18th. New characters, stages, a ranking event, and login content are being added.
Joining the collab-exclusive capsules are new Uber Rare characters "Shirou Emiya" and "True Assassin". "Talents" are also unlocked for select characters.
Along with previously featured collab stages, new stages "The Hidden Holy Grail War" and "True Assassin Assault!" make their appearance in the limited stages. In the Catclaw Dojo's "Ranking Dojo", a limited-time ranking event featuring characters from the movie series titled "Into the Fray: Servants Strike!" is also taking place.
Players can receive one stamp per day by logging in during the event period. Logging in for 5 days awards the collab-exclusive Special character "Saber the Cat", while logging in for 10 days awards "Shirou the Cat".
Based in Kyoto, Japan, PONOS handles game content development and publishing. Its flagship game, The Battle Cats, surpassed 111.11 million downloads in May 2026.
