If that prism of yours is tuned to refract a basilisk's gaze, we can use its crystal properties to reverse the process. All we need is a source of power.
In the weapons cabinet to your right, you'll find our prototype laser mining drill. I loved that thing but the near daily dismemberments got to be a real bother. Grab the laser drill and swap out the lens with that crystal of yours...
<The weapons cabinet is loaded with heinous and broken experimental devices, some of which still have goblin limbs attached. You discover the laser drill lovingly ensconced in a velvet-lined wooden case.>
<You pop out the lens assembly and slide the crystal into place. The weapon hums ominously.>
Run across the room.
- Complete all of:
-  /  / 
- Side chain:
Patch 4.0.3 (15-Nov-2010): Added