Download Kono Subarashii Sekai ni Shukufuku wo! [S01E04] - Explosion Magic for This Formidable Enemy!

Sinopsis

All of the weak monsters have gone into hiding since a leader of the devil king's army has settled in near town. Kazuma, who had been focusing on improving his skills, is stuck at a standstill. With nothing else to do, Kazuma tags along with Megumin's training, which consists of unleashing explosion magic into an abandoned castle.

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