Nonton Kamen Rider Saber: The Phoenix Swordsman and the Book of Ruin (GekijAtanpen Kamen RaidA SeibA: Fushichou no Kenshi to Hametsu no Hon) (2020) Sub Indo

The Book of Ruin, which should have been sealed, is released along with the mysterious immortal swordsman, Bacht. Darkness overflows from the book, causing the real world and Wonder World to disappear. Touma Kamiyama, alongside members of the Sword of Logos, challenge Bacht to a decisive battle in order to stop this situation.