This Ash of War grants an armament the Keen affinity and the following skill:

Ash of War: Piercing Throw Location in Piercing Throw: Found on a scarab just east of the Ruined Forge of Starfall PastGrace Site of Grace. You'll find it guarded by a small group of Misbegotten between a crumbled column. This is an Ash of War Skill, associated with the Ash of War: Piercing Throw. FP Cost: 8. Deals 3 stance damage per throw This Skill is not Chargeable Pierces through enemies, hitting multiple at a time Does not bypass blocking/guard, but the projectile still passes through