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Summarised from the free Games Workshop rules download named in the sources. Check the current Battle Profiles before a game.
Points, unit sizes and regiment options live in the free Battle Profiles download, last republished 29 July 2026. A newer Battle Profiles always replaces an older one, so check the current version before a game.
Unit picks are SprueSentry commentary, not part of the formation rule. The formation ability itself is summarised from the free Faction Pack: Sons of Behemat.
You can pick 2 friendly Mega-Gargant or Gargant units that have not used a Rampage ability this turn to use the Jump Up and Down ability instead of 1. It doubles the army's anti-infantry Rampage rather than improving it.
Cheap Gargant bodies, and the second Jump Up and Down usually belongs to one of them.
A three-model Gargant unit, so it can take one of the two Jump Up and Down uses on its own.
A Mega-Gargant hurts Infantry on a lower roll than a Gargant does, so it should usually take the first of the two uses.
See the box: price and offersYou pick exactly one battle formation for your army, so choosing this one means you do not take these.
How to play Stomper Tribe, the Sons of Behemat battle formation that lets two units use Jump Up and Down in a turn instead of one.
BySprue Sentry
ReviewedAug 28, 2026
SourceFaction Pack: Sons of Behemat (Games Workshop, free download)
Sprue Sentry strategy commentary for Age of Sigmar 4th edition, not official rules. Games Workshop updates points and rules regularly; always confirm against the current official rules and latest update before a game.
Stomper Tribe is the anti-infantry battle formation for Sons of Behemat in Age of Sigmar 4th edition, and the most forgiving of the four to pilot.
SprueSentry strategy commentary, not official rules. Summarised from the free Faction Pack: Sons of Behemat, page-stamped February 2025 and confirmed current against the 29 July 2026 Battle Profiles.
The formation ability is Revel in War, and it is passive. You can pick 2 friendly Mega-Gargant or Gargant units that have not used a Rampage ability this turn to use the Jump Up and Down ability instead of 1.
Jump Up and Down rolls a dice for every model in an enemy Infantry unit in combat with the gargant, and a Mega-Gargant hurts them on a lower roll than a Gargant does. Against a wide unit that is a lot of dice.
The reason this formation is good is the Rampage restriction. Earthshaking Roar, Colossal Slam and Jump Up and Down all carry the Rampage keyword, and normally only one gargant in the whole army gets to use Jump Up and Down in a turn. Stomper Tribe removes that bottleneck for the ability the faction reaches for most.
It is also the only formation of the four with no positional condition, no timing window and nothing to remember, which in a low-model-count army leaves your attention free for movement and for choosing each gargant's Rampage.
Players expecting horde opponents, and newer Sons of Behemat players generally. The whole faction's weakness is being out-bodied on objectives, and doubling the anti-infantry Rampage is the most direct answer the free rules give you.
Pick Stomper Tribe when you expect wide infantry units, or when you would rather not track a condition all game. Take Boss Tribe instead if you own Mancrushers and want the extra activation, Breaker Tribe if survival to contact is the problem, and Taker Tribe if the match-up is unknown.
It is passive: you can pick two friendly Mega-Gargant or Gargant units that have not used a Rampage ability this turn to use Jump Up and Down, instead of only one.
Because Jump Up and Down is a Rampage ability, and a unit can only use one Rampage per turn. Without the formation, the whole army gets one use of it per turn.
Yes. It is passive, has no positional requirement and no timing window, so it works in every mission and leaves your attention free for movement and Rampage choices.
Written by Sprue Sentry, grounded in the cited sources. Original commentary, not Games Workshop rules text.