Gems

Gems are used to buy premium items or doing a special Lotteries. They are very versatile but very rare to actually acquire some during the game play but can be bought with real money at any time.

Things you can do with gems are:
 * Increase Unit Capacity
 * Performing special summons (summon for Gem_icon.png5 gems each or Gem_icon.png50 gems for 10 + bonus
 * Recovering Stamina

Obtaining Gems Without Spending Money
Gems can be found as a quest reward, login bonuses, events or sometimes as gifts from the devs.

Though, managing your free gems that you get from those sources only is very important. Do not waste them unless you want to gamble with your free gems and try out your luck to summon.

By doing the daily quests you can obtain 1 a day.

Price List of gems
The current prices for gems (taken from the official in-app prices) are: