Dragon Quest: The Great Adventure of Dai - Avan the Brave and the Demon King of Hellfire - Vol. 5 Ch. 19 - Escaping Darkness

[MangaDex]

 

[Saybah]

Man, even a roots monster can be sort of cool and threatening antagonist in this manga

 

[Mr_Detective]

If I'm not mistaken, this is the technique that Huynkel taught Dai to use to defeat Flazzard.

 

[Tahlynne]

If I'm not mistaken, this is the technique that Huynkel taught Dai to use to defeat Flazzard.

It is!