It is the ammunition of the Quake Cannon -- the ghoulish Quake Shell -- that marks out the weapon as unique. Each shell contains fragments of a planet that has undergone the ultimate Imperial sanction of Exterminatus. Whenever planets are to be destroyed, Tech-priests and Magos Geologis from the Adeptus Mechanicus are dispatched to the sector to capture and store the shattered planet’s death-throes as quickly as possible -- a dangerous task in and of itself. From orbit, as their voidships are buffeted by the destruction, these ghoulish blast-waves are captured by immense, arcane wave-recorders. Later they are replicated back on Forge Worlds, where this energy is reborn in the form of Quake Shells. It is not uncommon for such shells to be named after the planets from which their potency has