The Drecom panel at Anime Expo 2025 unveiled the trailer for the upcoming anime adaptation of writer Kumo Kagyu and illustrator So-bin’s Blade & Bastard light novel. Moreover, the trailer revealed the main cast of the anime.

The cast of the Blade & Bastard anime includes:
- Makoto Furukawa as Iarumas
- Tomori Kusunoki as Garbage
- Daiki Yamashita as Raraja
- Saori Hayami as Ainikki
- Shion Wakayama as Berkanan
Kagyu and So-bin released the light novel in December 2022. Drecom published the fifth volume of the light novel series on June 10. In June 2023, a manga adaptation was done by Fugetsu.
Yen Press licenses both the manga and light novel and describes the story as:
Deep in the depths of the dungeon, a man spends his days scouring the treacherous floors for bodies of dead adventurers. His name is Iarumas, and he has no memory of the life he lived before he was resurrected from a corpse. The living keep their distance from the cold, sullen man—Iarumas consorts primarily with the dead.
That is, until he meets Garbage, a feral young swordswoman who is the sole survivor of a massacre. With Garbage by his side, Iarumas ventures farther, searching the dungeon for clues to his past while avoiding the inevitability of a permanent ashen demise…