Requirements - Gaurdian, Level 35, Barbute Helm(Gaurdian Arena). 
So. You put on the Barbute helm by clicking it in the Treasury in the Gaurdian Area, 
first you have o defeat Frogzard Faceoff(I think) in the Gaurdian Area. Thenyou go the 
the Stables and use the Black Dragon Riding Armor, put it on, then go into battle, 
you'll have no head!