Everyone who does this boss knows how annoying the trash can be, especially while learning and getting an add when you pull the boss.
Well, you can skip the trash. The entire raid chugs an invisibility potion and you can get half way down the stairs by the time it runs out.
Invisibility Potion - Items - World of Warcraft
really handy when you want to get to him fast and with full mana.
(if your guild idiot isn't getting to the stairs, just kill the first pack and drink the pots)