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This is SprueSentry strategy commentary, not official rules. The parts of this detachment reprinted or amended in the Tyranids Faction Pack version 1.2, the release that arrived with the 26 August 2026 balance update, are confirmed against that document, re-checked on 27 August 2026. The rest of the stratagem and enhancement lists come from the 10th-edition codex and are cross-checked across two independent community rules mirrors. The Detachment Point cost and enhancement points come from the official Munitorum Field Manual version 1.3, updated 26 August 2026. Points move with every update, so confirm them in the Warhammer 40,000 app before a game.
In your opponent's Shooting phase, when an enemy unit has shot, if a model from a friendly Endless Multitude unit was destroyed by those attacks, that unit can make a surge move of up to D6". Reprinted in the Faction Pack's Rules Updates.
1CP. Before an Endless Multitude unit within Synapse Range makes a surge move, re-roll the D6 and let it end that move as close as possible to the nearest objective marker instead of the nearest enemy. Reprinted in the Faction Pack's Rules Updates.
2CP. Once per battle, an Endless Multitude unit that was just destroyed is replaced by an identical new unit in Strategic Reserves at Starting Strength. Attached Characters do not come back.
1CP. An Endless Multitude unit gains Sustained Hits 1, and scores Critical Hits on unmodified 5+ if it contains 15 or more models.
How to play Unending Swarm in 11th edition — the 2-DP gaunt-horde detachment that turns your own casualties into forward Surge moves and recycles dead units back onto the board.
Sprue Sentry strategy commentary for 11th edition, not official rules. Games Workshop updates points and rules regularly; always confirm against the current official rules and latest update before a game.
Unending Swarm is the Tyranids gaunt-horde detachment: a 2-Detachment-Point package that floods the board with cheap bugs and turns its own losses into momentum. It reflects .
1CP. An Endless Multitude unit does not roll to Advance; instead it adds a flat 6" to its Move for the phase.
1CP. A targeted Endless Multitude unit imposes -1 to Hit on attacks against it for the phase.
1CP. A targeted Endless Multitude unit counts as containing fewer than five models for the Blast ability, denying the bonus attacks.
Add 2" to the Move characteristic of models in the bearer's unit.
At the start of the first battle round, up to three friendly Endless Multitude units within 9" of the bearer get Benefit of Cover against ranged attacks for that battle round.
Each time a model in the bearer's unit scores a Critical Wound, improve that attack's Armour Penetration by 1.
Models in the bearer's unit move an additional 3" when they Pile In or Consolidate.
The cheap Endless Multitude battleline; blocks of 15 or more unlock the Swarming Masses Critical Hit bonus.
See the box: price and offersMelee gaunts that convert every casualty into a free surge move up the board.
See the box: price and offersFlying Endless Multitude bodies for fast objective play and screening.
See the box: price and offersCheap gaunts that ride alongside a Neurotyrant to keep the horde inside Synapse Range for Synaptic Goading.
See the box: price and offersMobile Synapse to hold the swarm together, which Synaptic Goading requires.
See the box: price and offersA durable Synapse spine, which the horde needs since Synaptic Goading only works inside Synapse Range.
Gaunts flood the board but cannot reach a protected enemy leader; Deathleaper and Lictors can.
Adds a heavy hitter to a list of otherwise low-damage chaff.
This is SprueSentry strategy commentary, not official rules. The Tyranids Faction Pack version 1.2 reprints the Insurmountable Odds detachment rule and the Synaptic Goading stratagem, and both are confirmed against that document. The rest of the lists come from the 10th-edition codex, cross-checked across two independent community rules mirrors. We re-checked the pack's amendments on 27 August 2026 against version 1.2, the release that arrived with the 26 August 2026 balance update. DP costs and points move with dataslates, so confirm them in the Warhammer 40,000 app before a game.
In your opponent's Shooting phase, when an enemy unit has shot, if a model from a friendly Endless Multitude unit (Termagants, Hormagaunts and the like) was destroyed by those attacks, that unit can make a surge move of up to D6". The effect is brilliant for a horde: the shooting that's meant to thin your swarm instead hurls it forward, closing distance and contesting ground you'd otherwise lose.
The Faction Pack reprints this wording, and it is worth reading carefully: the trigger is per shooting unit, and it is the surge-move rules in the core game that decide where the unit ends up. That default direction is what Synaptic Goading exists to change.
(Points live in the app; confirm there.)
Take it when your collection is built on big blocks of gaunts and you want to grind through attrition, flood the midboard, and turn your own losses into forward momentum and objective pressure. It rewards model count and board coverage over elite quality. At 2 DP it leaves 1 DP for a support like Warrior Bioform Onslaught or Ambush Predators.
Sample gameplan: deploy wide with multiple 15-20 model gaunt blocks plus synapse. Push everything up turn one; when the opponent shoots your screens, Surge (redirected to objectives with Synaptic Goading) to claim ground. Bounding Advance guarantees long moves; Swarming Masses turns big squads into a Sustained-Hits engine in combat. When a key block dies, Unending Waves recycles it into Reserves to arrive fresh — out-attrition the opponent over five turns.
2 DP, leaving 1 DP at a 2,000-point game for a support detachment like Warrior Bioform Onslaught or Ambush Predators.
Insurmountable Odds: in your opponent's Shooting phase, when an enemy unit has shot, if a model from a friendly Endless Multitude unit was destroyed by those attacks, that unit can make a surge move of up to D6". The Synaptic Goading stratagem then lets a unit in Synapse Range redirect that move toward the nearest objective instead.
Big blocks of Endless Multitude gaunts — Termagants and Hormagaunts especially, since 15+-model squads unlock the Swarming Masses Crit bonus — plus synapse creatures to keep them steady and Surging.
The Unending Waves stratagem (once per battle) returns a destroyed Endless Multitude unit to Strategic Reserves at full strength, letting it redeploy and re-contest objectives late in the game.
Written by Sprue Sentry, grounded in the cited sources. Original commentary, not Games Workshop rules text.