Maggotkin of Nurgle · battle formation
Affliction Cyst: the aggressive flying-deployment formation (AoS 4th Ed)
Pushes flying units up the board after deployment, giving a slow army early reach and objective pressure.
Age of Sigmar 4th edition
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.
Affliction Cyst is the mobility formation. It lets flying units deploy well up the board (community summaries cite around 9") after normal deployment, giving the usually-slow Maggotkin early threat range on objectives and characters. Exact distances and conditions are seasonal, so confirm on your current faction pack.