Due to the durable, yet very flexible and thin layer of skin that covers their bodies, they are immune to stabbing from blades, taking half damage from slash damage. However, attacks directed to the head take half stab damage, full slash damage.

Immune to bludgeoning damage.

The skin can be separated without doing damage to the Tetarti, and heals very quickly if there isn’t damage to the muscles underneath.

The skin of a Tetarti is permeable and absorbs liquids on contact, due to this, contacts with potions, toxins, or anything of the sort (lava, and thick liquids do not count, have to be runny like water or have similar consistency) are absorbed directly into their body and bloodstream.

Durable bones stronger than every metal means that they cannot break their bones, nor can their joints be dislocated due to biology stances and stuff.

When sleeping, consciously activated, or submerged in water, the bones soften into muscles with the same strength, and split apart from the body, revealing insides.

Limbs can be reattached if somehow severed.

Limb Reattachment: If a limb is somehow taken off, it can be put back on and function perfectly, however the limb mustn’t be more than 5 minutes old, or it’s too dead to be attached.

Regeneration: Using a reflex, bonus action, or main action (can stack these), heal 1d4 damage. Can regenerate lost limbs too. Fingers, toes, eyes, regenerate within a full use of a turn (use regeneration for action and bonus to regenerate such parts), other limbs require short to long rests depending on how much is gone. If you somehow strip the Tetarti to nothing but the inner organs, it takes a full week to regenerate the body (yes you can do this, yes it will stay alive)

Blood: Tetarti have a hard time bleeding, wounds will not bleed even if certain spells should make the Tetarti bleed. The wound has to be 1 ft in size to make the Tetarti bleed.

Protective Film: The eyes can produce a film over then as strong as the bones, but only for 10 seconds.

360 Vision: As a bonus action, can enable 360 degree vision.

They have high intelligence and are very smart, so intelligence and wisdom buff.

Light based nervous system calls for Dex buff.

Their body is durable and reliable, constitution buff.

They grow slow and tired when in heated environments, more so than most creatures would. They do way better in cold environments. Subtract 10 from all movement speeds and add 1 point of exhaustion every 10 minutes they spend here.

Hot water to their head can melt the special flesh there, basically instant death. You can still roll death saves to survive…barely.

They are 11-13 feet tall.

A level 1 Tetarti can pull carbon, iron, and gasses towards themselves. Each level higher the player can choose 2 new elements their ability can interact with.