- Miho Okasaki (Rimuru (voice))
- Tomoaki Maeno (Veldora (voice))
- Takuya Eguchi (Souei (voice))
- Hochu Otsuka (Hakurou (voice))
- Asuna Tomari (Gobta (voice))
- Chikahiro Kobayashi (Ranga (voice))
- Jun Fukushima (Gabiru (voice))
- Rie Tanaka (Trainie (voice))
- Rina Hidaka (Milim (voice))
- Anzu Haruno (Rimiris (voice))
That Time I Got Reincarnated as a Slime — S0E14
Episode: Digression: Diablo's Journal
Air Date: 2024-03-30
Runtime: 24 min
Overview
After defeating Clayman at Walpurgis, Rimuru officially became a Demon Lord and a member of Octagram. Meanwhile Diablo awaits Rimuru's return in Tempest, and is anxious to learn about his master's activities as soon as possible. A look back at Walpurgis.