As you dive into the characters' bios, you'll notice that they all will have a skill graph. There's six categories: Reliability(REL), Energy(ENE), Agility(AGI), Endurancce(END), Magic(MAG), and Strength(STR). Reliability(REL) focuses on a character's helpfulness when it comes to being a team. Energy(ENE) focuses on a character's spiritual energy(used for magic). Agility(AGI) focuses on a character's ability to move around quickly. Endurance(END) focuses on a character's will to push through the tough times. Magic(MAG) focuses on a character's ability to use magic. Finally, Strength(STR) focuses on a character's physical strength.