Battle Trance

Enchantment (Compulsion) [emotion, mind-affecting]
Level: Alchemist* 3, Antipaladin* 3, Artificer * 4, Cleric */Oracle * 4, Hunter * 3, Inquisitor * 3, Ranger * 3, Warlock * 4
Components: V, S
Casting Time: 1 Standard Action
Range: personal
Target: you
Duration: 1 minute/level
Saving Throw: Will negates
Spell Resistance: yes
  You are transformed into a single-minded force of destruction. You gain the Ferocity monster special ability, a number of temporary hit points equal to 1d6 + your Caster Level (maximum +10), and a +4 Morale Bonus on saving throws against mind-affecting effects. You cannot use the Withdraw action or willingly move away from a creature that has attacked you. When you use this spell, you immediately take 4 points of Intelligence damage. You must make a DC 20 concentration check to cast spells, and all other concentration checks to cast spells have a -5 penalty.