The time I won we used a kiting method...
We had 2 tanks grab EV and HM and kite them around the outside of the main arena. Someone grabbed MR and I'm not sure if they kited in the same area or pulled her back to the stairs. Another tank grabbed GK and kited down the hallways, and the DD's zerged TT.
Once TT dropped, MR was next (which was why we didn't worry about kiting too far away. I'm not sure if we slept the pet the whole time or if they killed it once MR went down.
After MR, we brought GK back and dropped him next. Same deal with the Wyvern, can't remember if we killed it or just slept it.
I think about here is where we wiped, RR'd and got ready for the rest.
Continued kiting HM, and took out EV next. After EV, drop HM and then go get your earring :)
Things to watch out for:
1) Kiters dying...have someone ready to pick up if a kiter drops
2) Positioning...make sure that when you're engaged with an AA that you're out of AoE from a kited mob. Same idea, keep kiting paths away from the current fight as well
All good advice. I want to add in a little more info.
A Sam/Rng who 2 hours w/ sidewinder can solo TT. Three good shots and he is toast. Because TT can lay down some pain, it's really important to kill him asap.
You may still be able to build TP outside the BCNM, if you can I suggest sleeping / tp for every melee going in.
Have RR up. After TT and MR are killed we did all fighting on the steps. If we were going to wipe, we had our people outside the arena so we can rr and try again. If you die in the middle of the arena, your sol.
Once TT and MR dies it's all downhill from there.
Beware invisible walls, sometimes, for no apparent reason you will hit invisible walls and that prevent your movement. It has something to do with lag I think, not sure exactly.