Archer Skill Guide

Isn't Arrow Blow at level 19 stronger than level 20 now?

 Arrow Blow

Level 01: MP - 7 / 190% Damage
Level 02: MP - 8 / 193% Damage
Level 03: MP - 8 / 196% Damage
Level 04: MP - 8 / 200% Damage
Level 05: MP - 9 / 203% Damage
Level 06: MP - 9 / 206% Damage
Level 07: MP - 9 / 210% Damage
Level 08: MP - 10 / 213% Damage
Level 09: MP - 10 / 216% Damage
Level 10: MP - 10 / 220% Damage
Level 11: MP - 11 / 223% Damage
Level 12: MP - 11 / 226% Damage
Level 13: MP - 11 / 230% Damage
Level 14: MP - 12 / 233% Damage
Level 15: MP - 12 / 236% Damage
Level 16: MP - 12 / 240% Damage
Level 17: MP - 13 / 243% Damage
Level 18: MP - 13 / 248% Damage
Level 19: MP - 13 / 283% Damage <-- This is not a typo. It is 283%.
Level 20: MP - 14 / 260% Damage