That Time I Got Reincarnated as a Slime Season 2 Episode 12 English Dubbed Episode Title:The One Unleashed.Episode Description:After recovering from his transformation, Rimuru is informed that the Kingdom of Eurazania was destroyed and Carrion defeated by Milim with assistance from the Demon Lord Frey, but the citizens had safely taken refuge in Tempest. On the occasion, Rimuru also learns of Clayman's possible involvement in Milim and Frey's actions. The Primordial Demon whom Rimuru summoned officially becomes his subordinate under the name "Diablo" and Rimuru fulfills his promise to Veldora by releasing his seal and giving him a new body.