So, this is Nell, Zero and Fenix in a fantasy setting where they've be afflicted by the void with each showing different types of afflictions. Zero as become a void knight with both his armor and physical form showing void affliction and alteration. Fenix the fox Knight while does not have physical changes his armor has been engraved with void language giving him other worldly strength. Null he suffered the worst he has fully changed in body and soul his very being changed and his body became engraved with void language basically becoming a void entity them self.