Saga of Jaraah
Potion: Skin of the Umber Hulk
A thick brown potion made of the liver of an umber hulk
This potion is made of the liver of an umber hulk. After combining with various other ingredients, the 4th level wizard spell Stoneskin is cast on the concoction. If imbibed, the potion grants the drinker the armor class of an umber hulk (AC 2). Duration is 4 + 1d4 turns.