IMPROVED NATURAL ATTACK
Type: General, Tier 1.
Benefit: Select one natural weapon you're proficient with such as bite, claw, gore, slam, or unarmed strike. You deal damage with this natural weapon as if you were one size larger than you actually are. This does not stack with other effects that treat you as larger.

GREATER NATURAL ATTACK
Type: General, Tier 2.
Prerequisite: Improved Natural Attack.
Benefit: All your natural weapons benefit from the Improved Natural Attack feat.