I suggested that VIP could have an upgrade membership named VIP+ with an extra-mana option for an over-power ability. Check here and into its discussion.
I suggest to add an extra-mana over-charge in the battle. I am going to explain it with an example.
*** NOWADAYS ***
The Hero’s Specials Ability would be available when 100% of mana is collected. Then, once it is used would be zeroed.
*** EXAMPLE ***
mana bar from 0% to 100%, as today
small square on the left of the bar
the square is divided in 4 quadrant
each quadrant keep a 5% of extra-mana
once the 4 square are full, over-shoot available
over-shoot allows a 5% or a 10% of extra power acc…
