KonoSuba – God’s blessing on this wonderful world!! Season 1 episode 4
Explosion Magic for This Formidable Enemy!
Each one the weak creatures have gone into hiding as a pioneer of this devil king's army has settled in close the town. Kazuma, who'd previously been emphasizing improving his abilities is stuck in a stand still. Without anything to complete, Kazuma tags combined side Megumin's practice, that is made up of unleashing explosion magical right into an abandoned castle.