Your transformation has made your body exceptionally resilient. You have resistance to Poison damage, and you have advantage on saving throws you make to avoid or end the Poisoned condition.

Your immense physical power is one of the defining traits of an Adeptus Astartes. You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift. In addition, you have advantage on Strength (Athletics) checks made to shove, grapple, or force open, break, or hold shut objects such as doors, gates, and chains.

Your body contains a secondary heart and other redundant organs that sustain you in the face of mortal injury. When you are reduced to 0 hit points but not killed outright, you can choose to drop to 1 hit point instead.

Once you use this trait, you can't use it again until you finish a Long Rest.

Whenever you regain hit points by spending one or more Hit Dice during a Short Rest, you regain additional hit points equal to your proficiency bonus.

During a Long Rest, you remain conscious of your surroundings. You aren't rendered unconscious while resting unless you choose to be, and you can perceive your surroundings normally.

As part of a Short or Long Rest, you may consume a small piece of a Beast, Humanoid, Monstrosity, or Giant that died within the last 24 hours. The DM may reveal one brief memory, instinct, or piece of information the creature possessed.
Once you use this trait, you can't use it again until you finish a Long Rest.

You have Darkvision out to 60 feet. If you already have Darkvision, its range increases by 60 feet.

You can hold your breath for up to 1 hour, and you have advantage on Constitution saving throws made against inhaled gases, smoke, and similar airborne hazards.

You have advantage on saving throws against ingested poisons and diseases. During a Short Rest, you can safely consume otherwise spoiled or contaminated food and water without suffering ill effects.

As an action, you can spit acid at a creature within 15 feet. Make a ranged attack using your Constitution modifier for the attack and damage rolls. On a hit, the target takes 1d6 acid damage.

The damage increases to 2d6 at 5th level, 3d6 at 11th level, and 4d6 at 17th level.

You can use this trait a number of times equal to your proficiency bonus, regaining all expended uses when you finish a Long Rest.

You have advantage on saving throws against being Frightened.

Choose one of the following Gene-Lineages. Once chosen, it can't be changed except by your DM.

You have advantage on Charisma (Intimidation) checks made against creatures that are Medium or smaller.

Once on each of your turns, if you move at least 20 feet straight toward a creature before hitting it with a melee weapon attack, the attack deals an extra 1d8 damage of the weapon's type.

The Black Carapace implanted beneath your skin allows you to move with unnatural ease while armored.

While you are wearing Medium or Heavy Armor:

• Your speed isn't reduced by wearing Heavy Armor.
• You can don or doff armor in half the normal time.

You gain a +2 to your AC