-Dexterity: Skill in performing tasks, esp. with the hands.
-Agility: Agility is the ability to change the body's position efficiently, and requires the integration of isolated movement skills using a combination of balance, coordination, speed, reflexes, strength, endurance and stamina.
-Charisma:Compelling attractiveness or charm that can inspire devotion in others

I don't think there needs to be "luck" in the game. But I think (by these definitions) separating them would bring a different level to the game. I just wonder what made the decision to get rid of them, and if there's any talk in bringing them back.