This type of energy is the main resource in the Light and Dark Campaign modes.
Energy is required for completing missions in the Light and Dark Campaign modes, as well as for their instant walkthrough via Memory Spheres.
Energy replenishes over time. One unit of energy replenishes over 6 minutes. Its storage expands as you level up. Energy storage is capped at 30 pts at the start of the game. It will be expanded by one point per level from level 5 to 65, and by two points per level from level 66 to 80, up to 160 energy points at level 80.

 

Required for completing missions in the Treasure Valley mode, as well as for their instant walkthrough via Memory Spheres.
Energy automatically replenishes over time. Treasure Valley energy is replenished two times slower than Light and Dark Campaign energy. One unit of energy replenishes over 12 minutes.
Energy storage expands as you level up. It is capped at 30 pts at the start of the game. It will be expanded by one point per level from level 5 to 65, and by two points per level from level 66 to 80, up to 160 energy points at level 80.