A hidden underground bunker with an AutoTurret on a vertical lift, disguised on the surface as an ordinary, decorative hatch. Completely invisible until powered — then the turret rises straight through the ground and opens fire.

How it works: two separate power inputs control it — power the Alarm input and the turret rises into full combat mode; power the Service input instead and it rises safely offline, for maintenance or pickup, without going hostile.

Ammo: a storage adaptor lets you resupply through the conveyor network — you can also add ammo manually yourself while it’s in maintenance (Service) mode.

Aiming: hit the raised turret with a hammer to rotate it 45° at a time — line it up exactly where you want, any time.

Friendly fire: it won’t target teammates who have building privilege on the base, even if they didn’t place it themselves.

Removing it: Shift + hammer hit on the hatch picks the whole bunker back up and returns your original item — move it anywhere, no materials lost.