i think i was world 1st on live servers, considering i did it 1st day cata came out, look up Patchouli - Stonemaul if you dont believe me. Did it solo as a fire mage with mana-less scorch and scorch while moving.
living bomb up 100%, scorch and pyro on procs, i swam backwards for over 30 minutes kiting and shooting it. took 3 attempts cause he kept glitching around 2m hp... and an alliance fucked with me at one point.