You have resistance to Umbral damage, but vulnerability to Radiant damage. Conventional healing has no effect on you.

While in bright light, you have disadvantage on attack rolls, as well as on Perception checks that rely on sight.

You can cast Detect Magic and Disguise Self with this trait, using Wisdom as your spellcasting ability for them. Once you cast either spell, you can't cast it again with this trait until you finish a short or long rest. When you use this version of disguise self, you can seem up to 3 feet shorter than normal, allowing you to more easily blend in with humans and elves.

You cannot gain Insanity from the Void. Additionally, you have a +3 bonus to Intelligence checks made about the Void.

Your Wisdom score increases by 2 and your Constitution score increases by 1.

Unknown.

Your size is Medium, but you are taller than most humans.

Your base walking speed is 30 feet.

You can speak, read, and write Common and Void.