Because these PvP combats are being played on an alternate server, in the event that you take part you will be able to play at RS Gold the same level. All of your levels and items will be lost. you'll be given a basic set of stats and get to select a combat style which can increase certain stats. Then you pick a secondary type of combat that differs from the one you chose.
When the battles are finished when fights are over, you'll earn rank-points and reward points if you win a battle (1v1 match or tournament) which the game arranges for you. While you will be able , in the future, to arrange tournaments and duels on your own and reward them with points.
With the aim of reducing RMT and enhance the experience, any non-cosmetic rewards will only be available within PvP-enabled areas. You won't be able to take on anything except other players by using them. Some of these benefits aren't exchangeable, but you'd expect them to be exchangeable. This is designed to Buy RS Gold further reduce appeal to RMT scammers and spammers looking for things.