All the previous actions are the same until we get to The Great Council of 305Ac.
Wouldn't it be better if Greyworm took Jon alongside Tyrion at the Dragonpit.He then says that he can free Tyrion but only for Jon's life.At that moment Jon demands a trial by combat.Of course Greyworm dont know what this is so they explain it to him and he agrees.Arya stands up for Jon but he doesnt let her and decide to fight Greyworm himself.Gets his sword back and the duel starts.After a long duel Jon slightly won and killed Greyworm but ofc he is hurt badly.After the battle everybody want Jon as their king but he keeps refusing and still westeros misses a king.A few moments later Tyrion goes to talk to Jon and convinces him to take the throne and finally Jon agrees but with one condition: Tyrion to be his hand.Tyrion doesn't want it but still accept.Then Jon reveals to everybody that his true name is Aegon Targaryan and everybody(except Sansa,Arya,Tyrion,Sam,Bran) is in shock but than Bran confirms it.He gives the North indipedence and Sansa becomes queen in the North.
Tyrion his hand, Sam as grand master, Ser Davos as Master of Ships,Bran Master of Whispers,Bronn Master of coins, Brienne Lord Kommander,Arya Master of War.
And in the last 2 minutes of the episodes, beyond the wall you see a dead horse walking slowly which means that white walkers are still exicts.