KeenGamer: ”In this guide, we’ll help you to kill Claviger quickly and easily. Plenty of hazards like ranged attacks and smaller enemies can get in your way. Not to mention a sheer drop to death on all sides. A tough four-armed boss in Remnant From The Ashes early game, Claviger takes some prior planning.”
Source: N4G PC Remnant From The Ashes Boss Guide: Claviger