A man in Texas was stabbed by knife over 12 inches long. He didn’t sustain any injuries because it failed to hit any organs! Here is the feat for that.
Thick
You were always big, and that bulk took the hits for the rest of your body. When you take bludgeoning, slashing, or piercing damage you may reduce the damage by an amount equal to your Constitution modifier. This reduction occurs after damage reduction is factored in.
Thoughts?
Throat Punch Games 