Energy Negation, Greater

Level: Evolving Mind 5
Range: 60 feet
Target: One Creature
Duration: 5 Rounds
Spell Resistance: Yes
Save: None
Metautterances: Extend

Normal: Your utterance renders your target impervious to harm from one type of energy.
Your target gains Damage Immunity vs Acid, Cold, Elec, Fire or Sonic. Use the "Energy Negation, Greater, Choice" option to pick the damage type.
Reverse: You wreathe your ally in energy that lashes out at those who strike him in battle.
Any foe that strikes your target in melee combat takes 20 points of damage from the chosen element. Acid, Cold, Elec or Fire. Use the "Energy Negation, Greater, Choice" option to pick the damage type.