The following is a list of ways that crystals can be gained throughout the game.
* You will be rewarded every 4 hours of gameplay crystals that grant you consumables that will heal your Champions.
* Every 24 hours of gameplay you will receive crystals that grant you 2-star and higher ranked Champions.
* When you complete quests you will be granted purple crystals which yield a variety of rewards.
* You will be rewarded Versus crystals when you participate in online player Quick Matches which can then be converted into either Gold Chips or Battle Chips. These chips can if you choose to be converted into an Arena Crystal which gives you the possibility of getting a 4-Star ranked hero when redeemed.
* Premium Hero crystals can only be purchased through units and they guarantee you at least a 2-Star ranked hero.