You are a child of a god of the dead and the underworld. Possible domains for your godly parent include Death, Grave, or Shadow.
Child of Thana Traits
Ability Score Increase
Your Wisdom and Constitution scores increase by 1.
Friend of Death
You learn the Spare the Dying cantrip.
Child of the Shadows
When you are in dim light or darkness, as an action you can teleport up to 30 feet to an unoccupied space you can see that is also in dim light or darkness.
Rot Resistance
You have resistance to necrotic damage.