This whole story is playing out like Arc-V
Visas Starfrost (Yuya) confronting his various parallel world counterparts stirring up things in their worlds.
After their beaten, Visas and Yuya both even merge with them to become a dragonic monstrosity. Yuya becoming Supreme King Z-ARC and Visas becoming this
It’s even a Fusion like Z-Arc.
So that leaves me wondering if Visas was actually the villain in this story. Up until now, I thought he was traveling other worlds to stop his counterparts and restore order