The Player vs Player Arena is located in Unicorn way, inside the current dueling arena.
Just look for Diego, he's standing next to the entrance. Inside you will find two Guards.
The Guard on the right is for Practice Dueling and all players can participate in this.
The Guard on the left is for Ranked Dueling. These are duels that can earn you Arena Tickets and are only available to Subscribers or with Crowns on a Pay-as-You-Go plan.
