Armor class is equal to 12 + Dex Mod

Intimidation Proficiency

No food or drink or breath

Advantage on saving throws for being poisoned and immune to poison damage/disease

Advantage on saving throws for being charmed or frightened and resistant to psychic damage

Vulnerable to lightning damage

In extreme heat and cold, movement slows to 20ft

Your Dexterity score increases by 1, Constitution by 1, and Intelligence by 1

Theoretically indefinite, though disrepair can cause failings between 100 and 300 years old.

Your size is Medium.