i need to be pointed in the right direction.... ahh screw it if someone could just flat out tell me where this mirror is that would be great, im losing my mind looking for this bloody thing and want to get on with this game. thanks for whoever helps me out if anyone does

Southeastern part of the Temple District Sewers.

Welcome to Ironworks :D

It's on an Imp that's in the far eastern tunnel part of the sewers.