Just found this over on MMO Champ
Authon:Horn
Want to know how to kill a raid with fire while buffing!?!
Do this before you summon Gormok childrenz!!
Step one: equip http://www.wowhead.com/?item=49128
Step two: Use http://www.wowhead.com/?item=49128
Step three: Count kills.
Step four: Laugh sadistically.
Apparently the pumpkin minions aggro Snobolds which in turn spawns fire; the fire also doesn't go away and moves periodically. Enjoy.