Whetstone of CombustionLevel 10+ Uncommon
Your weapon gains an oily residue when you run it across this obsidian sharpening stone.
| Lvl 10 | 200 gp | Lvl 30 | 125,000 gp | |||
| Lvl 20 | 5,000 gp |
Consumable: Whetstones
Power ✦ Consumable (Minor Action)
Touch this whetstone to a melee or ranged weapon you hold. Until the end of the encounter, any creature hit with an attack from this weapon gains vulnerable 5 fire against the next attack that deals fire damage to it.
Level 20: vulnerable 10 fire.
Level 30: vulnerable 15 fire.
Published in Adventurer's Vault, page(s) 190.