Killed the Collosus on my third attempt last night.

Refined my tactics a bit. Realized I was engaging DPS a bit too early after the transformation. Gave my pally time to get aggro and it went better. Did it in Hachoo's "cross" formation wiith strafe buttons mapped for slaves.

Far from ezmode, but took him down. Of course, he drops a piece of leather rogue gear for my party. (Hello DE shard)