Zatch Bell!! - Vol. 30 Ch. 287 - Prodigy Of The Dragon Tribe

[MangaDex]

 

[Gambino]

man, author really could've put more work into his design

 

[PramTheOracle]

On the contrary, the fact that he just looks like a normal teenager works very well to make him more eery

Besides he probably has a ruku spell To change forms for the real final boss fight