2. Different Classes have different styles of Abilities. For example, Warriors are good at AOE and charging, Mages are good at dealing Damage and Paladins are good at supporting.
3. You can spend Coins to upgrade an Ability.
(1) When you have enough Coins, click Upgrade to improve the Ability.
(2) Your character’s current level determines the level cap of its Abilities.
(3) The upgrade of an Ability is always 100% successful.