The Arcanium Arena is a game where you fight against monsters and other players. The main goal is to break the other team's crystal.
To join the game, you click on "battlefield" and then select "Arcanium Arena". After some time, the game will let you know when you can start. If you have friends with you, up to 6 can join together. The game can be either teams of 3 players against 3 players or 6 against 6.
When you start, you'll be put on the blue team or the red team. At the beginning, you don’t have any skills, but you have 300 Gold. This Gold lets you buy skills and other things to help you play better. You get one minute to shop at the start. But, if you earn more Gold while playing, you can come back and buy more things.
In the game, you pick a gate to start from. You help minions from your team and fight against the other team's minions. You also have to fight against other players and try to break their towers.
You can also find powerful monsters within the arena which will buff you after killing them. These might be helpful to kill other powerful enemies.
The game is won if one team kills the other teams crystal.