This Ash of War grants an armament the Cold affinity and the following skill: “Divine Beast Frost Stomp: A skill which imitates the wrath of the divine beast’s dance. Lift a leg up high and stamp it down with great force. Sends a powerful wave of frost straight out along the ground. Can be charged to increase power and range.” Usable on all melee armaments.

Yes

This Ash of War grants an armament the Cold affinity and the following skill: “Ghostflame Call: Thrust out armament to summon ghostflame. Follow up with a normal attack to set the ground ablaze with ghostflame, or a strong attack to trigger a massive explosion.” Usable on swords and spears (small armaments, twinblades, and backhand blades excepted).

Yes