A Cutting Beam is a Necron weapon only utilised by the insect-like constructs known as Canoptek Acanthrites. The Cutting Beam mounted within an Acanthrite’s thorax is capable of firing a short range, highly concentrated shaft of thermic energy ray that is able to slice apart the toughest of materials, dissecting steel, stone and flesh with equal ease and with the precision of a surgeon’s scalpel blade. These lances of burning heat are similar to those emitted by an Imperial Meltagun, save for being far more focused and prolonged. Canoptek Acanthrites often use their Cutting Beams for the destruction of armoured vehicles and troops, as well as the systematic and rapid dismemberment of bunkers and fortifications.
- Imperial Armour Twelve – The Fall of Orpheus, pp. 46-47, 119