You gain the power to shapeshift into a large, upright wolf being with enormous power at will and have complete and total control whilst shapeshifted.

The transformation process is a full five minutes of excruciating pain. Every second more unbearable than the last as every single bone, muscle, tendon, ligament and organ snaps, tears, grows and reforms. This process repeats once more when you demorph and all memory of the events while transformed are completely lost to you..