The lightning living within you calls out to its companion, the thunder. Sparks dance across your skin, and the air around you seems to darken and rumble.

Encounter   ✦     Lightning, Thunder
Minor Action      Personal

Effect: Until the end of your next turn, you deal 1d8 extra damage when you hit with a thunder attack or a lightning attack.
At 11th level, increase your extra damage to 2d8. At 21st level, increase your extra damage to 3d8.

Revision (2/10/2009)
In the Effect line, replace the first sentence with “Until the end of your next turn, you deal 1d8 extra damage when you hit with a thunder attack or a lightning attack.”

Published in Forgotten Realms Player's Guide, page(s) 10.