While some Mech Pilots refuse to raise this ability, to focus on weaponry, it is smart to invest some skill points in energy, so you could be more capable to attempt Circuits, Raids, Bosses and Missions.
Energy is recovered with a ratio of 1 point per minute , so if you want to optimize your use of energy, an interesting amount can be 60 ( to replenish what is after one hour).
GAL 9999
