Sonic Accelerationhttps://irowiki.org/wiki/Sonic_Acceleration

Sonic Acceleration
Type:	Passive Skill
Levels:	1
Weapon:	Katar
Prerequisites
In order to gain this skill, the player has to complete a quest.

Sonic Acceleration (Alt: Sonic Acceleration) is a 2^nd class passive skill available as Assassin and Assassin Cross. This skill can only be learned through a certain quest.

Enhances the damage and accuracy by 90% with Sonic Blow.

• The Accuracy Bonus is applied after the hit rate is determined. Therefore, if there is a 30% chance of hitting a monster, this skill will increase it to 57% chance of hitting it. (30 × 1.9)%
• The Damage Bonus is applied separately from other modifiers such as equipment skill bonus or Assassin Spirit.

This page has the previous version of this skill before the 2023 quest skill update.

• Jan 12st, 2023
  • Damage bonus increased from 10% to 90%.
  • Accuracy bonus increased from 50% to 90%.