You only need 4 hours in a semiconcious state per long rest. While in this state you don't dream, and are you still able to hear and see the area around you.

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

As an Awakened Undead, the longevity of your life is unknown

The size of you as a construct varies from small to medium.

Your base walking speed is 30 feet.

Thanks to your damned upbringing, you have superior vision in dark and dim conditions. 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 have resistance to poison damage, and are immune to the poisoned condition.

As a bonus action, you are able to collapse into a pile of bones, and are indistinguishable from a normal pile of bones

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