You can add to a maximum 10 Skill Points.
Improve Concentration Level 3
Energy is charge, then a large, penetrating arrow is released. Damage is about 800 (about 1000 at skill level 10). Arrow stock is not used
Good for clearing enemies so you can have some space to maneuver or jump or doing other slow skills.
SP use : (Skill Level) / 2 + 19 (round up)