The Ash of War confers the Keen affinity upon a weapon and imparts the skill "Unsheathe."

Skill Description: Unsheathe - A technique employed by swordsmen hailing from the Land of Reeds. Sheathe the blade, maintaining a poised stance at the hip.

Subsequently, execute a brisk slashing attack by following up with a normal or strong attack.

This Ash of War is applicable to katanas.