Has eye size of a basketball on its tail, turning magic against people. Quadripedal panther-like creature, red & blue fur. In the mask of darkness it would not look any different from a panther besides its far larger frame. Its tail, which extends out to twice the lank of its body - and ends at an eyestalk with one massive eye looking around its environment and can grow as long as a whip.
The full organs and meat of aura eater can change mana into energy for bodily functions like their force damage. Organs inside do conversion stuff which is usable by makers to create or enchant any sortof conversion item.