Conjure Air Elemental

This spell summons Air Elemental to aid caster. There is 60% chance of summoning 12HD air elemental, 35% chance of summoning 16HD air elemental and 5% chance of summoning 24HD air elemental. After summoning caster and elemental are locked for 3 rounds in mental battle. There is 15% chance that elemental will win and attack the caster.