You have Interacted with an entity of the void, and their absence has left it's mark upon you. 

-Increase one of your Ability Scores by 1 to a maximum of 20.
- You gain the Ability to read, speak and understand Voidling
- You learn the Blink Spell, Only instead of the Ethereal Plane, you blink in and out of the Void. You may cast this spell without the use of a spell slot. Once you cast this spell in this way, you can’t cast that spell in this way again until you finish a long rest.  The spells’ spellcasting ability is the ability increased by this feat.