Dungeon ni Deai o Motomeru no wa Machigatte Iru Darouka III – 11
「ウルトラソウル (決戦)」 (Urutora Sōru (Kessen))
“Ultra Soul (Decisive Battle)”
For all my criticisms of Aiz Wallenstein’s uninteresting personality, this episode proved to be the ultimate culmination of her characterisation.