Heavy machinery: The factory is way too heavy to be pushed or knocked away from it's location unwillingly and sinks in water, unable to swim.
Magitech shell: The factory is made from a special magic alloy, making it resistanced against none-magical attacks.
Clockwork mind: Being a machines means that it can't be fooled by illusions, making it immune against magic from the school of illusion.
Production Mode: The factory can switch between a active attack mode and a passive production mode, while in production mode it can't attack but gets an extra 20 temporary hit points. Each of it's turns the factory can take an action to produces 2 Walking Bombs who shares the factory's initative. The factory can take an action to switch back to the active attack mode losing it's temporary hit points an stops the bomb production.
Slam: Melee Weapon Attack: +0 to hit, reach 5 ft., 1 target. Hit: 3 (1d6) bludgening damage.
Optical laser: The factory can cast the Scorching Ray spell at will when not in production mode.
Description
This machine of unlimited production is in the shape of a large metal cube with four sturdy mechanical spider like legs with a locked hatch on it's underside and a large glowing red eyestock on it's front.
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