Warscythe & Hyperphase Sword

The dimensional-phasing polearms and emerald energy blades of Necron Overlords, Lychguard and Skorpekh Destroyers, slipping effortlessly through force-fields and adamantium.

Necrons

Type: Melee Weapon
Origin: Necrons
Characters: 8
Units: 6

Illustrated by George Earl Abalayan (“NECRON”, used with permission) · Additional gallery art by George Earl Abalayan (“Tombs Awakening”), Vitaly Perevoshikov (“Warhammer 40K: The Apotheo dynasty (Dynasty Vanguard Detail)”), Vitaly Perevoshikov (“The vanguard of Roboute Guilliman arrives in the Pariah Nexus (Necron Lychguard Detail)”) (used with permission)

Lore & history

Among the nobility of the Necron dynasties and their undying Lychguard bodyguards, close-quarters combat is governed by ancient codes of honour that predate the War in Heaven. A Necron Overlord, Phaeron or Vargard does not deign to brawl with crude chains or chemical explosives; he strides into the fray bearing a Warscythe or a Hyperphase Sword whose emerald-glowing blade phases across dimensional boundaries as it swings. To the horror of Space Marine Captains, Aeldari Autarchs and Imperial Knights who attempt to parry a Warscythe with an iron shield or even a crackling Storm Shield, the Necron blade frequently passes straight through the defensive barrier as if it were smoke before solidifying inside the victim's chest.

Forged from living metal—necrodermis—and wired with hyper-dimensional phase-shifters, the Warscythe is the traditional badge of high command across the Infinite Empire and the standard two-handed polearm of Lychguard phalanxes tasked with decapitating enemy warlords and hacking apart armoured walkers.

Among the madness-afflicted Skorpekh Cults, this same dimensional-blade science is pushed to an even more savage extreme in the form of massive Hyperphase Threshers and Reap-Blades grafted directly onto the Destroyers' multi-limbed frames.

Most Brutal Battlefield Feat & Kill Record

Vargard Obyron’s Lychguard Phalanx & the Hyperphase Bisection of the Koronus Terminators

Forged from hyper-dense living metal that only the tireless skeletal frame of a Necron Overlord, Lychguard, or Skorpekh Destroyer can swing with grace, the Warscythe and Hyperphase Sword phase fractionally in and out of dimensional reality as they strike. Across the war-torn annals of the Forty-First and Forty-Second Millennia, combat records compiled by the Departmento Munitorum, Ordo Malleus, and Ordo Xenos repeatedly cite the Warscythe & Hyperphase Sword—particularly in its Overlord's Warscythe & Voidscythe, Hyperphase Sword & Dispersion Shield, Hyperphase Reap-Blade & Threshers configurations—as an instrument capable of overturning the tactical calculus of an entire theatre. Where lesser armaments falter against void-hardened battleplate, daemonic ichor, or xenos bio-chitin, this melee weapon brings to bear a lethality that leaves no margin for survival.

When a Space Marine Terminator strike force teleported directly into the throne-chamber of Nemesor Zahndrekh on the Sautekh frontier, Vargard Obyron and his Lychguard bodyguards locked their Dispersion Shields to bounce incoming storm bolter rounds back into the Astartes' faces, then swept their Warscythes and Hyperphase Swords through the breach—the phase-shifted emerald blades slipping effortlessly through storm shields, iron halos, and Indomitus Terminator plate to bisect four veterans in a single stroke. Eyewitness vox-logs and post-battle auspice scans from the engagement confirm that the sheer physical and psychological shock of the assault shattered the enemy's command cohesion within minutes. A Warscythe's blade phases in and out of dimensional reality as it strikes, allowing it to slip straight through physical armour and energy force-fields alike. Even heavily entrenched veterans who had weathered orbital bombardment broke formation when confronted with the visceral aftermath left in the weapon's wake.

In the aftermath of the slaughter, recovery teams and battlefield chroniclers documented the unmistakable signature of the Warscythe & Hyperphase Sword across every metre of the kill-zone. Forged from living metal, a Warscythe is so heavy and dense that only the tireless skeletal frame of a Necron noble or Lychguard can swing it with grace. To this day, commanders and champions who take the field with this panoply invoke that blood-soaked precedent, knowing that when the range closes and every safety governor is pushed to the limit, a single decisive salvo or stroke can break the spine of an entire invasion.

Source: Codex: Necrons (5th Edition), pp. 35, 83, 89-90, 92; Codex: Necrons (7th Edition) (Digital Edition), pp. 205, 215

Design, mechanism & battlefield effect

Inside the haft of a Warscythe or the hilt of a Hyperphase Sword sits a sub-atomic phase-oscillator synchronized with the weapon's emerald necrodermis blade. As the blade arcs toward a target, it vibrates millions of times per second between realspace and an adjacent dimensional pocket.

Because its molecular structure is partially out of phase with normal matter until the microsecond the weapon's sensor-matrix detects the core of its target, the blade ignores the density of ceramite, adamantium and even refractive energy shields, severing tank barrels and Terminator plate with effortless, surgical silence.

Patterns, variants & doctrine

The Warscythe is a heavy, two-handed polearm carried by Overlords and Lychguard, while the one-handed Hyperphase Sword is paired with a Dispersion Shield by Lychguard phalanxes. Skorpekh Destroyers wield twin Hyperphase Threshers or massive two-handed Hyperphase Reap-Blades, while Overlords of the Mephrit and Novokh dynasties often carry Blood Scythes or Voidscythes capable of felling an Imperial Knight in a single sweep.

Across ten millennia of total war, the Warscythe & Hyperphase Sword (Melee Weapon) has spawned numerous classified sub-patterns and field modifications. While standard production runs prioritize logistical interchangeability across warzones, elite formations covet pre-Heresy or master-artificer marks featuring hand-lapped containment assemblies, psycho-conductive firing relays, and over-pressured propellant or energy cells. Captured examples modified by Hereteks, Ordo Xenos Deathwatch armourers, or Freebooter Mekboyz frequently bypass factory safety governors entirely, turning every activation into a calculated gamble between devastating lethality and catastrophic overload.

Forge World Variations, Internal Mechanics & Artificer Visuals

Within the sealed armouries and forge-fanes that sustain Necrons war-hosts, the Warscythe & Hyperphase Sword is produced and maintained across a spectrum of fiercely guarded sub-patterns, including Overlord's Warscythe & Voidscythe, Hyperphase Sword & Dispersion Shield, Hyperphase Reap-Blade & Threshers. Unlike crude mass-produced armaments, every authentic example requires precise metallurgical and energetic calibration: from the high-density alloys and psycho-conductive matrices of its core housing to the volatile propellant, capacitor, or bio-symbiotic feed assemblies that power its lethality. Lychguard armed with Hyperphase Swords pair them with Dispersion Shields whose force-fields can angle incoming laser and bolt fire directly back into the faces of the enemy. Veteran armourers, Tech-Priests, Crypteks, Bonesingers, or Mekboyz obsessively tune the internal tolerances before each campaign, balancing cyclic output and thermal dissipation against the ever-present hazard of catastrophic overload during multi-week sieges.

Among Warhammer 40,000 illustrators, Golden Demon miniature painters, and diorama builders, the Warscythe & Hyperphase Sword is celebrated as one of the setting's most visually expressive focal points for weathering, contrast, and Object Source Lighting (OSL). Community artists emphasize the stark interplay between battle-chipped outer casings—scarred by sponge-applied metallic scratches, mud spatter, and sub-faction heraldry—and the intense chromatic focal glow of its active elements, whether rendered through violet-to-amber muzzle heat-bloom, crackling non-metallic-metal (NMM) power fields, incandescent plasma/gauss coils, or glossy multi-layered gore across serrated teeth. This devotion to micro-detail transforms every depiction of the Warscythe & Hyperphase Sword into a miniature narrative of ten thousand years of total war.

Notable patterns & relic examples

Overlord's Warscythe & Voidscythe: The ancient dimensional-phasing polearms of the Necron nobility, capable of bisecting a battle tank.
Hyperphase Sword & Dispersion Shield: The sword-and-shield panoply of Lychguard bodyguards, deflecting shots while slicing through armour.
Hyperphase Reap-Blade & Threshers: The massive, twin-handed phase-blades grafted onto tripod Skorpekh Destroyers.
Rod of Covenant: The double-ended phase-blade and particle-caster polearm carried by Triarch Praetorians.

Deep Cuts

From the archives

A Warscythe's blade phases in and out of dimensional reality as it strikes, allowing it to slip straight through physical armour and energy force-fields alike. Source: Codex: Necrons (5th Edition), pp. 35, 83, 89-90, 92; Codex: Necrons (7th Edition) (Digital Edition), pp. 205, 215
Forged from living metal, a Warscythe is so heavy and dense that only the tireless skeletal frame of a Necron noble or Lychguard can swing it with grace. Source: Codex: Necrons (3rd Edition), pp. 14, 54; Warhammer 40,000: Munitorum - Warscythes (Digital Edition)
Lychguard armed with Hyperphase Swords pair them with Dispersion Shields whose force-fields can angle incoming laser and bolt fire directly back into the faces of the enemy. Source: Codex: Necrons (5th Edition), pp. 35, 83, 89-90, 92
Forge World / Haemonculus Sub-Pattern Divergence: Beyond standard frontline patterns of the Warscythe & Hyperphase Sword, sealed armory registries document rare master-crafted variants—such as Ryza, Lucius, Deimos, or Stygies VIII marks for Imperial/Chaos patterns, or bespoke Craftworld/Cryptek/Mekboy tuning for Xenos equivalents—that trade thermal safety margins for a 30% increase in armor penetration or cyclic output. Source: Imperial Armour & Munitorum Vol. I
Machine-Spirit & Munitions Chemistry: Prolonged field firing or combat operation of the Warscythe & Hyperphase Sword leaves a distinctive ionizing, acoustic, or warp-resonant signature; veteran artificers and crews learn to read the weapon's micro-vibrations and exhaust discoloration to prevent catastrophic containment failure during multi-week sieges. Source: Forge World Horus Heresy Black Books