Oskar

Oskar (Ozosid in the Japanese version) is the secondary antagonist of Fire Emblem Warriors''. ''He is the sole ruler of the Gristonne kingdom and the father of Darios.

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Although never fought by the player, during his conquest of the Aytolis kingdom, Oskar gains the assistance of Validar, Iago and Gharnef, who lead his kingdom's forces into battle during several chapters in the game. Oskar's ultimate goal, however, is to obtain the Shield of Flames from Aytolis and utilize its power to revive the Chaos Dragon, Velezark, and control the world alongside it.

Oskar eventually dies at the hands of his son and his blood is used to revive the Chaos Dragon.