Gems is an in-game currency that is purchased with real world currency, or obtained from different sources such as the Daily Dash or Clan Chest rewards at the end of the week.
You can use gems for upgrades, special items/features or change the game’s cosmetic.
- lowering quest requirements
- extent daily dash requirements for example when you need to make a win during a number of free spins.
- resetting heroes when they are available