WOW Power Leveling: You could easily grind with just this, repulsing, and stunning at higher levels
Level 9 skill - Frost Arrow Basic attack that slows down the target ~50%. Although it costs vigor to execute, it can easily be regained by the following attacks. The guaranteed slowing effect and cheap WOW Power Leveling mp cost makes frost arrow especially useful in both early and later levels.
If you're pure agi with good equipment, you could easily grind with just this, repulsing, and stunning at higher levels.
Leveling Route: Max it as early as possible.
Strategies/Tips: At early levels, start combos off with frost arrow or follow a charged blast with one. If you have extra vigor and expect longer battles, placing one after Knockback Arrow works also. If necessary, one could kite after frost arrow as well.
Heaven Path Converts the physical damage dealt into water damage. With this, now it gains some good potential against BM/BAR and other high physical defense builds. Combined with slow, it can be a good kiting method with lightning strike.
Winged Shell | Wing Barrier Defensive skill that creates a barrier around the user in order to absorb damage while regenerating a small amount of mp. Requires some vigor but for 20 seconds of minimal damage, this skill is extremely handy in dangerous situations and emergencies.