Nurgle's Menagerie: terrain and beasts board-control formation (AoS 4th Ed)
Leans into Feculent Gnarlmaws and beasts, most notably enabling a second Gnarlmaw for extra control and disease vectors.
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.
Nurgle's Menagerie is the terrain-and-beasts formation. Its headline benefit is fielding a second Feculent Gnarlmaw, giving you more board presence and additional ways to spread disease. Specific rules are seasonal, so verify them on your current faction pack before relying on them.