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Greywater Fastness

A fortress-foundry rising from the marshes of Ghyran, where the sky is permanent gunsmoke and the civic anthem is the ring of hammers. Greywater Fastness arms half the free cities from its Ironweld manufactories, and its answer to every threat is the same: more cannon. The Sylvaneth have never forgiven it the forests fed to its furnaces.

Last modified: July 12, 2026

Greywater Fastness squats in the sucking marshes of Ghyran beneath a sky it made itself: a permanent ceiling of gunsmoke and forge-soot that has not lifted in living memory. It is less a city than an enormous engine for making war-engines, its Ironweld manufactories thundering day and night to arm half the free cities. Where other settlements ring with bells or prayer, Greywater rings with hammers, and its people take a grim civic pride in the din.

Its rulers answer every question of strategy with the same word: more. More cannon, more crews, more black powder stacked against the walls until the marsh itself trembles at their volleys. This creed has kept the Fastness unconquered through horrors that levelled prouder cities, but at a cost written in stumps. To feed the furnaces, Greywater has devoured whole forests of Ghyran, and the Sylvaneth of those murdered groves have neither forgotten nor forgiven.

So the Fastness endures as a fortress besieged from two directions: the daemons and greenskins that batter its outer walls, and the slow green wrath rising from the swamp beyond. Within the Cities of Sigmar it is the grim armoury, manning its ramparts against both foes with the same weary certainty that enough powder can answer anything.

Order of battle

The Greywater Fastness field the units of the Cities of Sigmar, a detachment from the roster:

Other Cities of Sigmar formations

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