To join a League you must make a single multiplayer attack an be over the 400 Trophies, as the lowest league Bronze III requires that amount of Trophies. Higher Leagues have better Loot Bonus, Star Bonus and Village Guard, so it's always good to reach higher Leagues on the game. Your Trophy count and the League you are in also influences the Star Bonus and Village Guard. Once you have joined a League, you will get a special Loot Bonus on all victories you obtain on multiplayer battles. Leagues are a rank based on your Trophy count of the Home Village. While in a Trophy League, each multiplayer victory will award a loot bonus based on league level.' Content 'Trophy Leagues are groups of players that are all within the same trophy range.