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

"Lifesteal Fist: Skill that demonstrates mastery of the art of controlling vital energies.

A slow, controlled punch with an energy-infused fist that renders foes unconscious and steals their HP. Only effective against foes of human build."

Usable on fists and claws.

The ashes are located on the north side of Gaylid's Blessed Gaylid Avenue (after turning off the road).

You can get this Ash by killing the dung beetles on the rocks to the north of Blessing.