ok i found the update but ncsoft dont fix the real skilll too LOL... so they decrease dmg but need add 100% critical hit for 3s and they dont fix it sooo yes is NINJA NERF BECUASE THEY DONT FIX THIS .. https://aionpowerbook.com/powerbook/index.php?title=KR_-_Update_May_9th_2018&setlang=en
Dizzying Ambush:
Damage Reduced
3 critical strikes with 100% probability effect removed
100% chance to deal critical damage for 3s effect added