Nyx utilizes psychic powers. Her abilities allow her to take control of enemies, creating chaos on the battlefield, and to use psychic energy offensively to destroy them.
Nyx’s passive is Relinquish. Any enemy affected by Nyx’s abilities has a chance to be disarmed.
Ability Strength mods affect the damage of Psychic Bolts and the minimum damage and passive damage gain from Absorb. Ability Range mods affect the cast range of Mind Control, the radius of Chaos and the explosion radius of Absorb. Ability Duration mods affect the duration of Mind Control and Chaos, and the energy drain of Absorb.
So, all things considered, here are some builds you may want to try on your Nyx: