Board Thread:LOC General Discussion/@comment-99.231.114.51-20130306182850/@comment-5706972-20130306192254

Actually, you want the 7M boss! The 8M boss only gives commons and keys, but the 7M boss gives GBD (I just got one), Rares and PP (as well as keys). They are both considered the 'Hidden Boss', just the 8M is the evolved version of the 7M