Perhaps you could make charms with the ash. Like this Oaken charm Levels : 15 firemaking and 15 crafting. Requirements: 3 oak ashes, ball of wool, 10 Ashiaz sigils(anything could be in place of this really) You can craft an oaken charm which can be placed upon a weapon or a shield and gives a 5% bonus to defence. You could get more creative Zamorak charm Levels: 70 firemaking and 70 crafting Requirements: 3 Kril remains, Magic string, 1000 ashiaz sigils You can craft a zamorak charm that can be placed upon a weapon to make it a zamorak weapon. Saradomin charm Levels: 70 firemaking and 70 crafting requirements: 3 Cleansed Kril remains, magic string, 100 ashiaz sigils You can craft a saradomin charm that can be placed upon a weapon to make it a saradomin weapon. The charms could look like anything really. from a necklace dangling from a sword or a charm tightly bound to the material likc scarab charms were embalmed with mummies. Plus weapons or shields could have more charm locations. Weaker weapons like spears could have an additional charm spot.