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

As a tank, you do not age. Your age depends on when you were constructed.

Tanks tend to lean toward chaotic alignment.

Your size is Large.

Your base walking speed is 40 feet. You can't swim or fly

You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.

You creature type is construct. You are immune to diseases. You do not need to eat or breathe, but you can ingest food and drink if you wish. Instead of sleeping, you enter an inactive state for 4 hours each day. You do not dream in this state; you are fully aware of your surroundings and notice approaching enemies and other events as normal.

As an action, you can fire an explosive projectile that deals 1d6 bludgeoning damage and 1d6 fire damage to each creature within a 15-foot radius of the explosion. You can fire this projectile 90 feet and affected creatures must make a Dexterity saving throw, taking half damage on a successful save. The DC for this saving throw equals 8 + your Constitution modifier + your proficiency bonus. The damage for each die increases to 2d6 at 9th level, and 4d6 at 16th level. Once used you must reload your cannon as a bonus action before you can use it again. You can use your cannon a number of times equal to your proficiency bonus before you must take a short or long rest.

You have disadvantage on Athletics, Acrobatics, and Stealth checks.

Since you don't have arms, you know the mage hand cantrip and your mage hand is invisible.

You can speak, read, and write Common and one other language of your choice.