Straight Bet (S02E14)

Tragedy strikes the Sanctuary, and Elsa takes aim at both Roswaal's mansion and the village of Arlam. After being told that all these threats are cruel traps, Subaru can't help but give in to despair. While he's stuck questioning himself and unable to come up with a way out of the dilemma closing in on him, Otto shows up and punches him. Thanks to the many feelings packed in Otto's fist, Subaru finds his hope again. (Crunchyroll)