Training Camp

Summary

 * The Training Camp is a special mode where you battle an AI trainer for practice.
 * Nothing is gained or lost in Training Camp battles.
 * Training Camp is available since the beginning of the game, where you must beat seven of them to unlock Multiplayer mode.
 * The Training Camp can be accessed by pressing the button with a target on it under the Battle Deck.
 * They upgrade/downgrade once you pass the indicated trophy threshold.
 * Each trainer has a specific deck.

Trivia

 * Trainers 1-9 do not meet the maximum amount of cards usable in a Battle Deck.
 * Trainers 1 and 2, Earl and Fikova, only use one card each.
 * Trainers 3 and 4, Mike and Klaus, only use two cards each.
 * Trainers 5 and 6, Teemu and Tim, only use five cards each.
 * Trainers 7, 8, and 9, Boris, Jonas, and George use seven cards each.
 * In addition to this, Trainers 1-5 have reduced Crown Tower hitpoints. Trainer 1 (Earl) has Crown Towers with 40% of the hitpoints of a level 1 Crown Tower, and Trainers 2-5 have Crown Towers with 60%, 60%, 80% and 80% hitpoints of level 1 Crown Towers respectively.
 * The number of trainers in each arena varies depending on the arena.
 * Goblin Stadium (Arena 1) has four trainers.
 * Bone Pit - Royal Arena (Arena 2-7) have three trainers for each Arena.
 * Frozen Peak (Arena 8) and Tutorial (Training Camp) have seven trainers for each Arena.
 * Legendary Arena (Arena 9) has five trainers.
 * After trainer 13, Trainer Paul, the number of trophies needed to advance to the next trainer increases by 100 trophies every trainer you ascend from.
 * None of the trainers ever use Legendary cards.
 * Trainers only use Epic cards unlocked below the Frozen Peak (Arena 8).