Energy points (EP) measure the character’s physical and psychological health. They are used for skills and even supernatural powers.
At the start of the game, a hero’s EPs are equal to the sum of their Physical + Mental characteristics. It is also increased by their Power Factor, if any.
A living being recovers 1 EP per day and 1 EP per night, a robot recovers 1 EP per hour when connected to an external power source.