By opening chests in battles, players can unlock special rewards and characters. To open these unique chests, players need to get keys in Squard Busters. In this game, players can also get three types of keys: Chest Keys, Epic Keys, and Fusion Keys. If you want to learn how to get these keys quickly and use them to level up, this is the guide you need to follow.

Once you reach level 12, you will unlock the Battle Bag, and when you open it, you will be able to use some powerful battle items. Likewise, you will have the option to use the keys through this bag.

Players can obtain Chest Keys, Epic Keys, and Fusion Keys in this game. Furthermore, the chests that you unlock with these different Keys also vary in rarity. Here is everything you need to know about each Key and how to obtain them in Squad Busters:

Of these three special keys, Chest Keys are the general ones, which help you unlock a free chest during a battle. However, once you use them, you will not be able to use any more Battle Bag Keys for 1 minute.