Squad Busters brings all the beloved characters from all the Supercell games into one game, but you do have to unlock and upgrade them all. Getting all these characters and upgrading them is a bit confusing, but it is straightforward once you get the hang of it. In this guide, we’ll explain how to upgrade your characters and explain all the mechanics of getting these characters in Squad Busters.
How to Evolve Characters in Squad Busters
Before we discuss character evolutions, you need to understand how the star system works in the game. There is a total of four stars a character can have, and each star corresponds to their tier level. The tier levels are the same for each character, which are the following:
