Pyromancy that internalizes flame.
Iron flesh boosts damage absorption and resistance, but significantly increases weight.
Not advisable for walking in marshlands, perhaps resulting in its obsolescence in the Great Swamp.
Reduces Lightning damage absorption by -60 and forces slow rolling, no matter what Equipment Load you are at.
From the Farron Keep bonfire, head outside and to the right. You'll see the item in the swamp amoungst a few trees.