The central protagonist, an 'un-sorcerer' incapable of using quartz, who is uniquely able to pilot an ancient Golem. Initially a rural farm boy, he is conscripted into Krisna's defense, becomes a strategic military asset, and repeatedly prioritizes personal loyalty over military protocol, culminating in direct confrontations with elite Athenian forces.
Borcuse identifies Rygart as a prime opponent and initiates a life-or-death duel.
Rygart openly disobeys Narvi's direct orders to pursue his brother.