Promise of storm
stormsoul genasi racial power
Effect: "Until the end of your next turn, you deal an extra 1d8 damage with any lightning or thunder power you use. 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."[FRPG:10][U
:1/2009]
Promise of storm is a racial encounter power gained by genasi who choose the Stormsoul option for the Elemental Manifestation racial trait at 1st level.