It makes use of a large chunk of raw Warpstone and channels the magical energy through a series of mirrors and lenses to intensify the beam. It leaves the cannon as a green lightning bolt, powerful enough in theory to shatter a mountain. It is moved, aimed and fired by two Skavenslaves and its power output is known to be very unstable and dangerous to handle, as well as difficult to aim properly.
- 1: Warhammer Armies: Skaven (6th Edition), pg. 26
- 2: Warhammer Chronicles: Thanquol and Boneripper (anthology): Thanquol's Doom (Novel)
- 2a: Chapter Seven, pg.554-555