unlock caracters on IOS

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#1 Edited by LuffyWallis (25 posts) -

Hi to all,

I just began to play this game on ios, but i still dont understand how unlocking characters works. Through the first battle, three characters were unlocked when i won some battles. After that, i wasnt able to unlock anyone. If i defeat a boss, the only thing i obtain is a card to regain slots for my characters... i had to buy a character's card to unlock it... is that how it works or do you thing i have a bug in the application?