第 4 集: 和真陪同惠惠前往廢棄城堡練習爆裂魔法。

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. (Source: Crunchyroll)

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