Dragon Quest: The Adventure of Dai (2020)

S1E16 The Grand Sorcerer Matoriv

Matoriv, a powerful Grand Sorcerer residing in a cave, is initially hesitant to offer assistance. However, when he discovers that Dai is the final disciple of Avan, he changes his mind and decides to aid in the rescue of Leona. Meanwhile, Hadlar's Dark Army is concocting a devious plan of their own.