Half-Ghost

Half-Ghost
Ability Scores: Choose one of: (a) Choose any +2; choose any other +1 (b) Choose three different +1
Speed: 30 ft.
Size: Your size is Medium or Small. You choose the size when you select this race.
Languages: You can speak, read, and write Common and one other language of your choice.

Skill Versatility. You gain proficiency in one skill of your choice.
Weakened Flight. You have a flying speed equal to your walking speed; however, you fall if you end your turn in the air and nothing else is holding you aloft.
Incorporeal Movement. During your movement, you can choose to move through other creatures and objects as if they were difficult terrain until the end of your turn. If you end your turn inside of an object or creature, you take 1d10 force damage and are shunted to the nearest unoccupied space. You can use this ability a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.
Undead Nature. Due to your ghostly parentage, you gain the following benefits:

You have advantage on saving throws against disease and being poisoned, and you have resistance to poison damage.

You don't need to eat or drink.