Graviton Crusher

The Graviton Crusher is a type of Gravity Weapon that is used by the combat walkers of the Questor Imperialis, the Imperial Knights, and by the Renegade Knights of the Questor Traitoris. These weapons are found only on the Questoris Knight Styrix.

Graviton Weapons are devastating gravity-based weapons that function by manipulating the very nature of gravity itself, Grav-weaponry turns a target's mass against it, crushing it to pulp under its own weight. This is especially shocking when used against heavily armoured infantry like Terminators. All Grav-weaponry fires a stream of graviton particles which affects the local gravitational field of a target area, making the targeted object either far heavier or lighter depending on the weapon's setting. The Graviton Crusher used by the Styrix can hold entire squads of infantry in place at once.

The Questoris Knight Styrix was considered a dark and malevolent pattern of Knight armour, the wanton slaughter it unleashed being beneath the dignity of a true Knight. The Knight would use its Graviton Crusher to hold groups of infantry in place and then rake them over with its Volkite Chieorovile and Irradiation Projectors, utterly annihilating them with blasts of energy beams and cleansing radiation.

Trivia
The Questoris Knight Styrix was originally armed with a Grav-Gun, however as of the release of Warhammer 40,000's 8th edition the Stryix' Grav-gun was replaced with the identical Graviton Crusher for unknown reasons.