After an explosive encounter with a powerful magic user, Megumin informs her ...
Konosuba: An Explosion on This Wonderful World!
Season 1 Episode 9: Destroyer from the Crimson Demon Village
On their way to Axel, Megumin and Yunyun's carriage group get attacked several times by monsters. Suspecting something suspicious is afoot, they encounter an enemy who has been following them.