https://www.engadget.com/2007-10-28-two-bosses-enter-teron-gorefiend-vs-gruul-the-dragonkiller.html
Two Bosses Enter: Teron Gorefiend vs. Gruul the Dragonkiller
Oct 28, 2007 - Two bosses will enter... but only one will get to leave! Every week at WoW Insider, we pit two of the most interesting bosses in the World of Warcraft against...
twobossesenterterongorefiend