Due to you being a construct you cannot heal from normal means such as magic or potions. Spell such as mending will heal you for 3d6 Hit points. As a bonus action you can cast mending on yourself.

As a Powerhouse you sacrifice mobility for fortitude and power. Decrease Your Dexterity by 6 Increase your Constitution and Strength by 3

Due to your Armor Upgrades, you are considered high military dangerous. You have a AC of 10+Con+Str Modifier

You can still gain the benefits of shields and, can have 2 shields equipped at a time.

You Have a Immunity to disease

Advantage on Avoiding the Frightened, Poison, Charmed, and paralyzed effect 

You Are considered large and can be used as a controlled mount or a individual mount. Your Size for carrying or pushing is one size larger than you

You Are equipped with 3 different types of weapons.

Features such as Extra Attack does not work with these weapons.

A Powerful Sniper with the range of 40/400 ft this weapon does 1d20+STR Piercing damage

A Grenade Cannon with the range of 40/120 ft that explodes in a 20 cone on hit it deals 3d6+STR force damage and targets within range of 20 take 1d6+STR force damage

A fast-firing Rifle that attacks 3 times (Does not Work with Extra Attack) with the range of 20/60 ft on hit it deals 2d4+STR piercing damage

At Higher Level Gain the following

Level 3

Sniper Damage increases to - 2d12

Grenade Cannon - Damage increases to 4d6 and Splash Increases to 2d6

Rifle - Gain a additional attack (4x) and, increase damage to 3d4

Level 6

Sniper Damage increases to - 2d20

Grenade Cannon - Damage increases to 5d6 and Splash Increases to 3d6

Rifle - Gain another additional (5x) attack and, increase damage to 4d4

Level 9

Sniper Damage increases to - 4d12

Grenade Cannon - Damage increases to 6d6 and Splash Increases to 4d6

Rifle - (5x) Increase damage to 5d4

Level 12

Sniper Damage increases to - 3d20

Grenade Cannon - Damage increases to 7d6 and Splash Increases to 5d6

Rifle - (5x) Increase damage to 6d4