Improved Spell Resistance (Racial)Modifier
You know how the body work and know how to make your poison use those weakness
Prerequisites: Spell Resistance
Benefit: Your Spell Resistance improved to 11 + Hit Dice. If you already have that Spell Resistance, you gain a +2 Bonus instead.
Essentia: Your Spell Resistance increase by +1 / Essentia. At 2 Essentia invested you can drop your Spell Resistance as a Move action, at 4 Essentia you can drop it as an Swift action and at 6 Essentia you can drop it as a Free Action once per round.