Dragon Quest: The Adventure of Dai (2020)

S1E4 The Dark Lord Hadlar's Return

Title: The Resurrection of Dark Lord Hadlar Plot: Avan transforms into a dragon and launches an assault on Dai, who struggles to counter the powerful attack. Realizing he needs the Wave Slash to extinguish Avan's fiery onslaught, Dai focuses on his goal. Just as he prepares to unleash his technique, an unexpected visitor arrives on the island. To Avan's shock, the last entity he wanted to confront emerges...!