Plasma Arrow

This skill should be used, at least once, early in your rotation as several skills depend on your possessing a :
 * (adds rage and recovers MP when )
 * (does more damage when )
 * (which leads to )
 * (does more damage and adds rage when )

It is worth noting that the only cooldown to this skill is the 1 Second Global Cooldown so, as long as your mana holds out, you can spam this skill.