Your Constitution score increases by 2, and your Strength by 1.

While the nuclear power source inside them lasts 120 years, if replaced, they are functionally immortal.

As machines, they are as close to lawful as it gets. While their actions may paint them as various shades of good or evil, those uncontrolled by Skynet are likely more neutral than anything else.

Your walking speed is 35 feet.

Your walking speed is 35 feet.

Your creature type is Construct, instead of Humanoid. Spells and other effects that specifically target humanoids, like crown of madness, cannot target you.

When the mending spell is cast on you, it has the following alterations: It has a casting time of 1 action. If you have 0 hit points you become stable. As part of the casting of mending the caster may expend any level of spell slot to cause you to regain a number of hit points equal to 1d8, plus their spellcasting ability modifier. For each level of the spell slot expended you regain an additional 1d8 hit points.

You are immune to diseases, poison damage, and the poisoned condition. You do not need to eat or breathe. Instead of sleeping, you enter an inactive state. Being in this state for 4 hours is equivalent to an 8 hour sleep for a human. You do not dream in this state; you are fully aware of your surroundings and notice approaching enemies and other events as normal.

You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift.

Your body is metal, and even the strongest hits may bounce off it. When you aren't wearing armor, your AC is 12 + your Dexterity modifier. You can use your natural armor to determine your AC if the armor you wear would leave you with a lower AC. A shield's benefits apply as normal while you use your natural armor.

Your entire body is a natural weapon, which you can use to make unarmed strikes. If you hit with them, you deal bludgeoning damage equal to 1d4 + your Strength modifier, instead of the damage normal for an unarmed strike.

When making a skill check for a skill you are not proficient in, you may choose to count as if you were proficient. You can do this once, regaining the use on a long rest.

You can read, speak, and write Common.