2. Energy can be slowly restored during combat, while HP can not.
3. You can spend Coins to acquire Power for your characters.
(1) When you have enough Coins, click Acquire to add more Energy to the Energy Ball.
(2) Energy will be raised by 1 level when the Energy Ball is full.
(3) Energy is promoted 1 Rank every 10 levels up.
(4) The acquisition of Energy is always 100% successful, but the amount of Coins required will increase.
(5) You will acquire the same Energy each time.