The following day arrived, and this was the same day Asher would fight against Amelia.
Miss Emerald was currently teaching the class about energy cells.
"Energy cells, similar to mana, are what enable superhumans to use their abilities. One of the requirements to rank up as a superhuman, apart from trials by the Hero Bureau, is energy cell capacity. Each tier of superhuman possesses a different number of energy cells. Tier 5 individuals possess 100 energy cells, allowing for basic abilities and minor enhancements. Tier 4 individuals have 500 energy cells.