Voice in the Void

You have a connection to the Void, allowing you to communicate with yourself in similar realities, gaining an edge over your opponents.

Connection to the Void

You have a number of Void charges equal to your intelligence modifier. 

Void Whispers

Starting at 3rd level, when an opponent attacks you from within 5 feet, you may expend a Void charge to give the attack disadvantage.

Voidwalker

At level 9, you can physically enter the Void. You gain the abilities Voidwalk and Void Dash.

Voidwalk: During combat as a bonus action, you may expend a void charge, teleporting around an opponent within 10 feet of you. This movement does not provoke opportunity attacks. You gain advantage on attack rolls against them this turn.

Void Dash: When you dash as a bonus action, you may enter the void. This allows you to move an extra distance equal to half your movement speed, and your movement doesn't provoke opportunity attacks.

Void Vision

You're increasing connection to the Void now allows you to use it to locate beings around you, even if you can't see them.

As a Bonus Action, you may expend a Void Charge to learn the location of all beings, friendly and hostile, within 30 ft of you, regardless of darkness or invisibility.

Void Mastery

At level 17, you become a master at utilizing the Void to your benefit. You may use Void features an unlimited number of times.