Your inner heat can harm other creatures.
Prerequisites
Giant Bloodline (Fire Giant), bloodline level 1st.
Benefit
Your melee weapons and natural attack deal an additional 1d6 points of fire damage +1 for every two gigantic feats you possess, including this one. If you possess the Rock Throwing ability, this damage is also applied to rocks you throw.
Creatures that strike you with natural weapons or unarmed strikes or who grapple you take fire damage equal half the number of gigantic feats you possess.