Dyon knew well that Emytheus' abilities weren't so simple as copying his ancestors. Or rather, he had been prepared for this to be the case.
Emytheus used these abilities too freely and without reserve. To now, he had already tapped into the strength of all 12 Olympus Clan Gods with the exception of Artemis. And, maybe the only reason he hadn't was very likely because Artemis' abilities were probably related to beast taming.
Creation. It was a concept that ironically introduced Dyon to concepts. His first true interaction with it was within the Golden Flame Mystical World where he found a book of Creation kept by Orcus during the second phase.
Back then, he had given the book to Madeleine since she relied on some abilities of the concept Creation in order to compose the pieces she used in her music. The deeper her comprehension of creation, the better her music would become, and thus the greater her battle prowess would be.
