Following the code of knighthood, Caliburn believes in caĬaliburn can cut through even rock and dragon scale, though with some effort. He is also shown to slightly have the personality of a strict teacher, usually calling Sonic out on his recklessness and can also be gentle on compliments. He tends to aid Sonic on his journey to become the hero of his kingdom.Ĭaliburn is a long sword with a double-edged silvery blade and a lighter edge.Ĭaliburn acts like a sophisticated gentleman and has polite manners, which initially clashes with Sonic's easy-going attitude. Though their relationship came off to a rocky start, Caliburn provided Sonic with the guidance and knowledge needed to be a true knight. Caliburn is a sentient talking weapon and legendary sacred sword that becomes Sonic's partner to stop King Arthur.