The Swarmlord stands triumphant over a group of dead Ultramarines at the Battle of Macragge in 745.M41.

The Swarmlord is a uniquely powerful Tyranid bioform based on the Hive Tyrant strain and it is the most powerful synapse creature ever created by the Hive Mind.

Amongst the billions of creatures created by the Tyranid Hive Mind, there exists one as old as the Tyranid species itself, the ultimate conduit through which the Hive Mind's implacable will is enforced.

This creature is to a Hive Tyrant what a Hive Tyrant is to a Termagant.


The Swarmlord is a monster of darkest nightmare that has preyed on empires and overseen the extinction of entire civilisations. It is a legendary destroyer of worlds and its names are legion. It is the Tyrantlord of the Hive Mind, the Herald of the Great Devourer and the Destroyer of the Kha'la Empire.

To the Imperium of Man, the latest interstellar civilisation to face this ancient predator, it is the Swarmlord, and it represents the greatest Tyranid threat to the galaxy. The Swarmlord is the pinnacle of the evolution of the Hive Tyrant bioform, a truly unique monster.

The Swarmlord is essentially immortal, like a Hive Tyrant, as once killed it is remade by the Hive Mind with the exact same experiences, memories, personality and knowledge, in essence becoming stronger than its predecessor every time because of its prior lives.

But unlike a Hive Tyrant, the reincarnation of the Swarmlord appears to be a stress-induced response that is triggered only when the conventional strategies of the Hive Mind fail and greater resourcefulness and tactics are needed.

To this end, the Swarmlord possesses more mental autonomy from the Hive Mind than any other Tyranid organism, including Hive Tyrants, and its connection with the Hive Mind is so strong it can emerge amongst any hive fleet, transcending any physical limitations separating the different fleets.

The Swarmlord has aeons of battle experience and bloodshed to draw upon. As weapons the Swarmlord wields four Boneswords, crackling with disruptive bioelectrical power, that are capable of slicing through adamantium and even force fields as if they were nothing.

They differ from commonly seen Tyranid Boneswords in that each sabre-like blade has a crystalline growth, a mineral not indigenous to the Milky Way Galaxy, at its core that partially protrudes through the blade's serrated surface. The Swarmlord can parry with these sabres at such speed that its foes find it all but impossible to inflict a hit on the creature.

Notable Campaigns



  • Codex Adeptus Astartes - Blood Angels (8th Edition), pp. 21-23
  • Codex: Tyranids (8th Edition), pp. 28-29, 63
  • Codex: Tyranids (6th Edition) (Digital Edition), "Ichar IV," pg. 59
  • Codex: Tyranids (5th Edition), pp. 13-15, 29, 56
  • Devastation of Baal (Novel) by Guy Haley
  • Cassius (Novel) by Ben Counter, Chs. 4, 9
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