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While trapped there, he was rescued by a group of [[Barian]]s, [[Dumon|one]] of them whom granted him Barian power in exchange for him agreeing to help collect the "[[Number]]s" and destroy the [[Astral World]], as beings from the Barian World could not interact with it themselves.<ref name="ep74" />
He eventually returned to Earth, but his form was mutated into that of a child and he took the alias "TronVertex".<ref name="ep55" /> He began to devise a machination per his deal with the being from the Barian World, also deciding to use the opportunity to take revenge on Faker<ref name="ep26" /><ref name="ep74" /> as the latter believed him to be dead.<ref name="ep34">{{episode|Yu-Gi-Oh! ZEXAL|34|ref}}</ref> He granted each of his sons a [[crest]], which imbued them with great powers. However, they were directly tied to their souls, so should they lose a Duel while wielding a powerful "Number", their souls will be exhausted and they will fall comatose.<ref name="ep65" />
As part of the plan, Vetrix instructed Quattro to Duel [[Rio Kastle]]. He played a card given to him by Vetrix called "[[Flaming Hell Blessing]]", which set the building on fire. Quattro carried Rio to safety, but she was critically injured in the blaze and Quattro himself gained a scar on his face.<ref name="ep58" />
