Alchemical Golem

Mindless. Walking alchemy labs.
Dimensions
Large Construct
Immunities
Death effects
Disease
Mind-affecting effects (charms, compulsions, phantasms, patterns, and morale effects)
Necromancy effects
Paralysis
Poison
Sleep
Stun
Any effect that requires a Fortitude save (unless the effect also works on objects, or is harmless).
Note: Constructs are not subject to nonlethal damage, ability damage, ability drain, fatigue, exhaustion, or energy drain.
Constructs are not at risk of death from massive damage.