The Fifth Holy Grail War continues, and the ensuing chaos results in higher stakes for all participants. Shirou Emiya continues to participate in the war, aspiring to be a hero of justice who saves everyone. He sets out in search of the truth behind a mysterious dark shadow and its murder spree, determined to defeat it. Meanwhile, Shinji Matou sets his own plans into motion, threatening Shirou through his sister Sakura Matou. Shirou and Rin Tohsaka battle Shinji, hoping to relieve Sakura from the abuses of her brother. But the ugly truth of the Matou siblings begins to surface, and many dark secrets are exposed.
Unfortunately the movie Fate/stay night: Heaven's Feel II. Lost Butterfly is not yet available on HBO Max.
| Production | Ryu Suzuki | Production Manager |
| Production | Shizuka Kurosaki | Associate Producer |
| Writing | Kinoko Nasu | Novel |
| Directing | Takuro Takahashi | Second Unit Director |
| Art | Kasumi Takeuchi | Assistant Art Director |
| Art | Kasumi Takeuchi | Background Designer |
| Sound | Hikaru Kondo | Sound Director |
| Sound | Yuji Akazawa | Sound Effects |
| Art | Masaru Yanaka | Background Designer |
| Art | Li Gaolin | Background Designer |
| Art | Chen Kun | Background Designer |
| Visual Effects | Makoto Nakamura | Key Animation |
| Art | Yuko Kito | Background Designer |
| Sound | Yuki Kajiura | Main Title Theme Composer |
| Sound | Yasunori Mori | Music Producer |
| Art | Yuri Kabasawa | Assistant Art Director |
| Art | Wago Manabe | Background Designer |
| Art | Wang Huan | Background Designer |
| Art | Koji Eto | Background Designer |
| Art | Yuri Kabasawa | Background Designer |
| Art | Yuki Ikenoue | Background Designer |
| Art | Kaori Fujii | Background Designer |
| Art | Satoru Hirayanagi | Background Designer |
| Art | Kazuma Koda | Background Designer |
| Art | Arseniy Chebynkin | Background Designer |
| Art | Shinobu Yamaguchi | Background Designer |
| Art | Yuko Horikoshi | Background Designer |
| Art | Kanako Shirai | Background Designer |
| Art | Seiko Imaizumi | Background Designer |
| Art | Sagako Itakura | Background Designer |
| Art | Mika Nishimura | Background Designer |
| Art | Kouki Nagayoshi | Background Designer |
| Art | Takeshi Sekino | Background Designer |
| Art | Fuki Zenyoji | Background Designer |
| Art | Nguyen Huu Chinh | Background Designer |
| Art | Minoru Maeda | Background Designer |
| Art | Hiromi Ueno | Background Designer |
| Art | Yuki Araki | Background Designer |
| Art | Oomi Tateiwa | Background Designer |
| Art | Ken Tokashiki | Background Designer |
| Art | Kazuhiro Nagano | Background Designer |
| Art | Sho Midorikawa | Background Designer |
| Art | Tomoyo Yoshida | Background Designer |
| Art | Sho Hata | Background Designer |
| Editing | Yuri Takahashi | Assistant Editor |
| Crew | Chiemi Irisa | Special Effects |
| Crew | Kaori Seki | Special Effects |
| Visual Effects | Sae Yoshikawa | Compositing Artist |
| Visual Effects | Haruka Yoshida | Compositing Artist |
| Visual Effects | Seiji Matsuda | Compositing Artist |
| Visual Effects | Keigo Takenaka | Compositing Artist |
| Visual Effects | Naoki Sato | Compositing Artist |
| Visual Effects | Yuuto Ikawa | Compositing Artist |
| Visual Effects | Kazuki Nishiwaki | Compositing Artist |
| Visual Effects | Daiki Teppozuka | Compositing Artist |
| Visual Effects | Rima Nishinaka | Compositing Artist |
| Visual Effects | Kojiro Shishido | Compositing Artist |
| Visual Effects | Yuki Yamaguchi | Compositing Artist |
| Visual Effects | Shusaku Takayanagi | Compositing Artist |
| Visual Effects | Naoki Sato | 3D Animator |
| Visual Effects | Kojiro Shishido | 3D Animator |
| Visual Effects | Rima Nishinaka | 3D Animator |
| Visual Effects | Yuuto Ikawa | 3D Animator |
| Visual Effects | Keigo Takenaka | 3D Animator |
| Visual Effects | Daiki Teppozuka | 3D Animator |
| Visual Effects | Haruka Yoshida | 3D Animator |
| Visual Effects | Shusaku Takayanagi | 3D Animator |
| Art | Takahiro Miura | Storyboard Artist |
| Art | Tomonori Sudo | Storyboard Artist |
| Sound | Ryosuke Naya | Sound Recordist |
| Sound | Masanori Tsuchiya | Sound Recordist |
| Editing | Jin Hon'ami | Online Editor |
| Sound | Natsuko Inoue | Foley Artist |
| Sound | Manabu Takahashi | Foley Artist |
| Sound | Naoki Okabe | Sound Mixer |
| Sound | Kayo Izawa | Foley Mixer |
| Production | Keigo Shinohara | Production Assistant |
| Directing | Tomonori Sudo | Director |
| Sound | Aimer | Theme Song Performance |
| Visual Effects | Kazuki Nishiwaki | 3D Director |
| Editing | Manabu Kamino | Editor |
| Visual Effects | Mika Matsuoka | Color Designer |
| Visual Effects | Atsushi Ikariya | Character Designer |
| Visual Effects | Hisayuki Tabata | Character Designer |
| Visual Effects | Tomonori Sudo | Character Designer |
| Art | Koji Eto | Art Direction |
| Camera | Yuichi Terao | Director of Photography |
| Writing | Akira Hiyama | Screenplay |
| Visual Effects | Masaharu Koyama | Key Animation |
| Sound | Yuki Kajiura | Original Music Composer |
| Visual Effects | Akio Shimotsukasa | Key Animation |
| Production | Hikaru Kondo | Producer |
| Visual Effects | Shinsuke Yasuda | Key Animation |
| Visual Effects | Nozomu Abe | Key Animation |
| Visual Effects | Hitomi Okada | Key Animation |
| Visual Effects | Ikumi Kawamura | Key Animation |
| Visual Effects | Satoshi Takahashi | Key Animation |
| Visual Effects | Yukiko Saijou | Key Animation |
| Visual Effects | Yusuke Ogura | Key Animation |
| Visual Effects | Akihiko Uda | Key Animation |
| Visual Effects | Takeyoshi Omagari | Key Animation |
| Visual Effects | Masaru Kimura | Key Animation |
| Visual Effects | Kosuke Uto | Key Animation |
| Visual Effects | Masayuki Kunihiro | Key Animation |
| Visual Effects | Atsushi Tanaka | Animation Director |
| Visual Effects | Atsushi Tanaka | Key Animation |
| Visual Effects | Aya Hanzawa | Key Animation |
| Visual Effects | Ryo Onoue | Key Animation |
| Visual Effects | Mihoko Adachihara | Key Animation |
| Visual Effects | Teiichi Takiguchi | Key Animation |
| Visual Effects | Shiori Shutou | Key Animation |
| Visual Effects | Miyuki Sato | Key Animation |
| Visual Effects | Takayuki Motegi | Key Animation |
| Visual Effects | Atsushi Ogasawara | Key Animation |
| Visual Effects | Shun Yamaoka | Key Animation |
| Visual Effects | Akane Okabe | Key Animation |
| Visual Effects | Aoi Okabe | Key Animation |
| Visual Effects | Hiroaki Otsuji | Key Animation |
| Visual Effects | Hirotoshi Arai | Key Animation |
| Visual Effects | Masatoshi Tsuji | Key Animation |
| Visual Effects | Masato Nagamori | Key Animation |
| Visual Effects | Miho Kato | Key Animation |
| Visual Effects | Mitsuru Obunai | Key Animation |
| Visual Effects | Ricardo Shimabukuro | Animation Director |
| Visual Effects | Ricardo Shimabukuro | Key Animation |
| Visual Effects | Tetsuhito Sato | Animation Director |
| Visual Effects | Ryuuta Ura | Key Animation |
| Visual Effects | Sakae Shibuya | Key Animation |
| Visual Effects | Sakiyo Hama | Key Animation |
| Visual Effects | Shunya Kikuchi | Key Animation |
| Visual Effects | Yoshihiro Maeda | Key Animation |
| Visual Effects | Yoshiyuki Ohkubo | Key Animation |
| Visual Effects | Yuka Shiojima | Animation Director |
| Visual Effects | Yuka Shiojima | Key Animation |
| Visual Effects | Yutaka Araki | Key Animation |
| Visual Effects | Kaori Urata | Key Animation |
| Visual Effects | Koji Akiyama | Animation Director |
| Visual Effects | Maiko Miyake | Animation Director |
| Visual Effects | Shogo Fujiwara | Animation Director |
| Visual Effects | Yurie Hama | Animation Director |
| Visual Effects | Yurie Hama | Key Animation |
| Visual Effects | Ai Asari | Key Animation |
| Visual Effects | Chie Morishita | Key Animation |
| Visual Effects | Chihiro Saito | Key Animation |
| Visual Effects | Daiki Fujii | Key Animation |
| Visual Effects | Hanako Kikuchi | Key Animation |
| Visual Effects | Haruka Oikawa | Key Animation |
| Visual Effects | Hiromi Niwa | Key Animation |
| Visual Effects | Kai Shibata | Key Animation |
| Visual Effects | Kaito Senkoji | Key Animation |
| Visual Effects | Kazunori Hashimoto | Key Animation |
| Visual Effects | Keita Nagahara | Key Animation |
| Visual Effects | Ken Takahashi | Key Animation |
| Visual Effects | Maho Shindo | Key Animation |
| Visual Effects | Maiko Miyake | Key Animation |
| Visual Effects | Yukina Kosaka | Key Animation |
| Visual Effects | Mieko Ogata | Key Animation |
| Visual Effects | Rio | Key Animation |
| Visual Effects | Ryuuichi Makino | Key Animation |
| Visual Effects | Sachiko Sugimoto | Key Animation |
| Visual Effects | Takuya Nonaka | Key Animation |
| Visual Effects | Tomoya Atsumi | Key Animation |
| Visual Effects | Toru Iwazawa | Key Animation |
| Visual Effects | Toshiya Washida | Key Animation |
| Visual Effects | Yui Kobayashi | Key Animation |
| Visual Effects | Yuki Tamori | Key Animation |
| Visual Effects | Chen Zhongning | Key Animation |
| Art | Ayami Hidaka | Background Designer |
| Visual Effects | Tomonori Sudo | Supervising Animation Director |
| Visual Effects | Gao Jiawei | Key Animation |
| Visual Effects | Akikazu Toshima | Key Animation |
| Production | Atsuhiro Iwakami | Producer |
| Production | Takashi Takeuchi | Producer |
| Directing | Kei Tsunematsu | Second Unit Director |
| Directing | Takahiro Miura | Second Unit Director |
| Directing | Takuya Nonaka | Second Unit Director |
| Production | Yuma Takahashi | Associate Producer |
