Drega

Cecil (セシル Seshiru), known as the Demon Slayer (デモン スレイヤー Demon Sureiyā), is one of the protagonists of the Reign of Aegis. He was originally hired as a mercenary, but later became a member of the Armada. He has a bounty of 65,000,000.

Weapons
Cecil wields the Wightslayer (ワイトスレイヤー Waito Sureiyā), a double-edged broadsword forged from an alloy of steel and low-tier silver. It can nullify the abilities and effects of a Devil Fruit, which has earned him his epithet.