Charybdis

Charybdis is a gigantic one-eyed mindless blood-thirsty calamity-class monster, heralded as the Ruler of the Skies. Born from a cloud of Veldora's magicules, she can be said to be part of Veldora's "family", similar to Rimuru, as she is also called Veldora's child. As she has no solid sense of self, she operates solely to satisfy her lust for destruction.