Caustic WhetstoneLevel 10+ Uncommon

This metallic green sharpener drips acid when touched to a weapon.

Lvl 10200 gp Lvl 30125,000 gp
Lvl 205,000 gp

Consumable: Whetstones

Power (Acid) Consumable (Minor Action)

Touch this whetstone to a melee or ranged weapon you hold. Until the end of the encounter, any successful attack with the weapon deals ongoing 2 acid damage (save ends).

Level 20: 4 acid damage.

Level 30: 6 acid damage.

Published in Adventurer's Vault, page(s) 190.