Tempest WhetstoneLevel 10+ Uncommon

This unfinished iron whetstone lends your weapon a spark.

Consumable: Whetstones

Power (Lightning) ✦ 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 an extra 2 lightning damage to each enemy within 2 squares of the target; the target of the attack does not take this damage.

Level 20: 4 lightning damage.

Level 30: 6 lightning damage.

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