Get to know the ARENAs:

Arenas

There are nine arenas that you play in based on your trophy level. Cards can be unlocked by opening chests while you are in that are- This arena can be accessed by clicking the target button. You cannot receive chests from the training camp except in the tutorial. This is the arena that you play in for the tutorial. Arrows, Bomber, Archer, Knight, Fireball, Musketeer, Giant, Prince, Baby Dragon, Skeleton Army, and Witch can be unlocked in this arena.

 Spear goblins, Goblins, Goblin hut, Valkyrie, Lightning spell, and Goblin Barrel.

Bone Pit -

 Skeletons, Minions, Tombstone, Bomb Tower, Giant skeleton, and Baloon can be unlocked in this arena.

Barbarian Bowl -

 Cannon, Barbarians, Rocket, Barbarian Hut, Rage Spell, and Xbow can be unlocked in this arena.

P.E.K.K.A's Playhouse - 

Hidden Tesla, Minion Horde, Inferno Tower, Hog Rider, Freeze Spell, P.E.K.K.A, and Lava Hound can be unlocked in this arena.

Spell Valley -

 Zap spell, Fire Spirits, Wizards, Furnaces, Mirror card, Poison spell, and Ice wizard can be unlocked in this arena.

Builder's Workshop - 

Mortar, Elixir Collector, Golem, Sparky, and Miner can be unlocked in this arena.

Royal Arena - 

Royal Giant, Three Musketeers, Dark Prince, Guards, and Princess can be unlocked in this arena.

Legendary Arena -

 No cards can be unlocked in this arena.

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