You can find all details about the Arena directly in-game, by tapping the Info button on the top right corner of the Arena Menu. Here is a quick summary:
How does the Arena work?
To get started:
1) Enter the Arena from Quest Page and set up your Squad.
2) Tap on “Fight!” to face another player in a real-time battle.
3) Battles have limited turns, each time-limited. Be wise & quick!
4) Need more info? Click on the help button (“i”) oENn the top right of the Arena artwork!
Note: If no players are found, you will fight against bots instead.
How do Leagues & Seasons work?
You earn or lose Esteem Points based on who was defeated.
Enter higher Leagues by earning EP, accessing extra rewards!
During Seasonal Competitions, rank up to earn fantastic rewards!
How do Rewards work?
Victories give Stars & Reward Gates. Only 1 Gate can be opened at a time.
To open a Gate and get rewards, wait for its timer to expire or use Orbs.
The ultimate “Star Gate” can be opened twice daily after earning enough Stars.