Kammala jumla mai zuwa: Saboda nasarar da ya samu a SummerSlam, Styles nan da nan ya sake shiga cikin hoton WWE World Championship wanda aka sake masa suna kuma ya sami wata dama a taken a Backlash da Dean Ambrose. A kallon biyan kuɗi a ranar 11 ga Satumba, Styles ya ci Ambrose ya zama Gwarzon Duniya na WWE a karon farko bayan wani rauni, kuma ya zama zakara na farko a WWE da taken duniya na takwas gaba ɗaya. Styles ya yi nasarar kare taken sa na farko da Ambrose a wasan ramuwar gayya a ranar 27 ga Satumba na "SmackDown" bayan tsangwama daga John Cena. A Babu Jinƙai a ranar 9 ga Oktoba, Styles ya riƙe taken a kan Cena da Ambrose a cikin wasan barazanar sau uku bayan da aka ɗora Cena. A Survivor Series a ranar 20 ga Nuwamba, Styles ya zama Team SmackDown tare da Ambrose, Bray Wyatt, Randy Orton da Shane McMahon a wasan 5-on-5 Survivor Series da Team Raw, wanda tsohon ya ci nasara. A ranar 4 ga Disamba, Styles ya ci gaba da zama zakara a kan Ambrose a cikin Tables, Ladders, da Chairs bayan James Ellsworth ya tsoma baki kuma ya tura Ambrose daga tsani da kuma ta tebur da yawa. Sa'an nan kuma Styles ya ci gaba da rikici tare da Cena wanda ya kai ga
2017 Royal Rumble a ranar 29 ga Janairu, inda aka kayar da Styles don lashe gasar, wanda ya kawo karshen mulkinsa a kwanaki 140.