In The Future Zero Son Z Is Celebrating His Tenth Birthday To Commemorate The Occasion Zero Gives Him An Matrix Of His Very Own But Grows Frustrated By Zero Overprotectiveness Z Soon Befriends A Boy Named Devlin The Same Night Zero Old Foe Kevin Attacks Their Home Looking For The Null Void Chamber Unable To Locate The Chamber He Retreats Z Becomes Angry At His Father For Not Telling Him Or Letting Him Fight Kevin And Endeavors To Find The Chamber With Devlin When They Find It Devlin Mutates Into Kevin Mutant Form Revealing He Was The Real Attacker From The Previous Night And Activates The Chamber Releasing The Real Kevin Who Is Revealed To Be Devlin Father And Mutates Into A New Form Of 11,000 Mutate Power When Devlin Realizes His Father Was Only Using Him To Escape He Battles Him Alongside Z Who Transform Into Fire When Kevin Proves To Be Too Much And Injures Z Then Zero Is Transform Into Ultimax To Pummels Kevin And Sends Him Back To The Null Void And Adopts Devlin Into His Family