"Each element has sub traits, and each user is different. Some with an earth affinity may be able to move earthly objects, others may simply be more inclined towards herbology. Either way it's worth utilizing. Water users may be able to wield water as a weapon, make use of it for it's healing properties, or just enjoy swimming. Fire users could burn down entire cities, light bonfires for rituals, or they could simply prefer living in hotter climates. Air users could love to take flight on a broomstick for the enjoyment of the air rushing through their hair, they could use the light in the air molecules to temporarily trick someone into seeing what isn't truly there, or they could be strong enough to utilize the energy around them and form a strong lightning attack that electrocutes everything it hits."