Bondrewd, known as the "Sovereign of Dawn," is a White Whistle Delver and one of the most enigmatic characters in the series "Made in Abyss." He is a scientist with a fervent curiosity about the Abyss and its secrets. His morally ambiguous nature is highlighted by his willingness to conduct ruthless experiments on children, including his adopted daughter, Prushka, for the sake of scientific advancement. Despite his seemingly cold demeanor, Bondrewd possesses a charismatic aura that inspires loyalty among his followers. His character brings a complex blend of mystery, menace, and charisma to the series.