Power Control

This allows you to power up and power down.Also, for certian forms , such as those of saiyans and changelings , powering up twice will cause them to go into their next form , powering down twice will cause them to rever.Powering up will increase your battle power but drain your energy the higher you go.The more energy you have the higher you can power up without worrying about the drain sucking you back down again.

Buffs like Mystic, Magic Force , Alien transformation will help you to power up faster and futher.In other way , skills like Focus , Expand , Absorbe will make you drain faster and allow you to power up less.Races like Androids suffer of no penalty from lossing energy while they are anger what allow them to power up higher until they reach 0% energy.This skill do not take a buff slot.