Void AssaultPassive: Each rank of Void Assault allows Kha'Zix to evolve one of his active abilities, granting it an additional effect.
Active: Kha'Zix enters stealth for 1 second and gains Unseen Threat, gaining 40% movement speed. Kha'Zix can cast Void Assault again within 10 seconds after activation. There is a 2 second cooldown between each cast of Void Assault.
Evolving active camouflage allows Kha'Zix to cast Void Assault three times within 10 seconds and reduces any damage by 40% he takes while in stealth.