Prelude to Calamity

 is the 54th chapter of the That Time I Got Reincarnated as a Slime manga adaptation.

Synopsis
Rimuru bids farewell to his students, presenting Shizue's mask to Chloe, and proceeds to leave, only to find an injured Souei warning him not to return to Tempest. A mysterious woman appears and tells Rimuru that she can't afford to allow him to leave for tempest as they were in the middle of obliterating it. Rimiru identifies her as Hinata.

Characters
Rimuru Tempest