A Hyperphase Sword is a Necron melee weapon whose energy blade vibrates across dimensional states and can easily slice through armour and flesh to sever the vital organs within. A Hyperphase Sword can be considered an advanced type of Power Weapon. Hyperphase Swords are found exclusively as part of the armouries of Necron royals, such as Necron Overlords, Necron Lords, Necron Destroyer Lords, and their favoured Lychguards.
- Black Crusade: The Tome of Fate (RPG), pg. 119
- Codex: Necrons (5th Edition), pp. 81, 89-90, 92
- Codex: Necrons (7th Edition) (Digital Edition), pg. 204
- Deathwatch: The Outer Reach (RPG), pp. 121, 131