Discombobulator Ray

The Discombobulator Ray is a cute Engineering gizmo that transforms the target into a leper gnome.

Source
This item is created with Engineering (160); taught by Schematic: Discombobulator Ray.

As a quest reward
It is also possible to get this item from the dungeon set upgrade quest line: The Ectoplasmic Distiller. Note that this is the *item*, not the schematic.