Your body is immensely dense and durable, which allows you to endure massive impacts and perform feats of strength. You gain +2 Constitution and +1 Strength.

You have been bred for a specific purpose. +1 to any ability score.

Experiments are created fully formed, and so are treated as adults from the start. If they are not killed otherwise, they are designed to remain in their prime and can live for an indefinite number of years.

Experiments are humanoid in form, but can have four or six limbs, and can move on all limbs or bipedally. They can have any alignment, but tend towards law or chaos rather than neutrality.

Although in theory an experiment can be designed to different proportions, they have only been created in two sizes. Your size is either small or medium.

Your dense nature slows you down. You have a walking speed of 25ft.

You know Common, and one other Language of your choice.

You were designed to be the best. Therefore it was decided that you should be able to see in the dark. You can see up to 60ft in dim light as though it was bright, and darkness as if it was dim light.

When experiments were created, they needed to focus on the mission. Their iron will means You have advantage on saving throws against being charmed, and magic cannot put you to sleep.

Due to experiments' durable nature, you have resistance to fall damage.

Fear gets in the way of completing the mission. You have advantage on saving throws against being frightened.

The lab enhanced your durability so much that your skin has become incredibly tough although it seems soft to the touch. Gain a +3 Bonus to your base AC.

You were given a natural attack mechanism in your genetic makeup. Whether this takes the form of claws, teeth, hooves, or any other body part is up to you. You may attack with your natural weapons as an unarmed strike, dealing 1d4 plus your Strength modifier damage.