He is the leader of the Phantom Troupe, an infamous gang of thieves with class A bounties. His physical strength ranks seventh in the group. He prefers not to make preferences with his members, so he treats them all almost the same. He knows how to keep his members together despite their different personalities. As for Nen, he is a specialist. He has an ability called Skill Hunter, which allows him to steal other Nen users' skills through his book. Chrollo has deep blue eyes and black hair.