You can kill this with few problems. First have a FD puller, pull the spider and kite a few to pop adds then FD. The adds will depop then burn the spider quickly may be u get another 2 A dark Reflection about at 40-50%. Just ignore them burn discs and full DPS to end .... When Mirrormask dies run like a chicken to depop adds then come back to corpse and loot.
Btw if you are enough evil can FD and let the adds eat the healers ... anyways you are the tank and they dont need AC in case of aug drop hehehe
Edited, Apr 28th 2008 5:26pm by edelacruz