Sonic Blade

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File:ElSkill7i.png	[Special Active] Create a circular shockwave by quickly swinging your sword. Enemies hit by the shockwave will be stunned.
	Vitality Skill Consumes Vitality gauge and acquire Destruction gauge MP consumption ↓ MP gains ↑ when Vitality is activated

Requirements

Class	Level Required	Left Skill Trait Level	Right Skill Trait Level
Lord Knight	55	56	67

Character Level	Damage(Physical)	MP Usage	Cooldown
55	1586%	100 MP	8 Seconds

Regenerating (1) Sonic Blade			Critical Sonic Blade
Level Required	Attribute Effect	Details	Level Required	Attribute Effect	Details
Level Required	Attribute Effect	MP Recover	Level Required	Attribute Effect	MP Usage
56	33% chance of regaining 100% of the MP Usage	33 MP	67	MP Usage increased to 120% Skill will ignore 50% defense (25% defense in PvP)	120 MP

Elsword can move before the animation finishes, being able to avoid situations where he would surely be hit.
Easily used between combos to chain, unlike Mega Slash, it has only 0.1~0.7 seconds of delay.
The shockwave may look like it is only horizontal, however it hits foes slightly above it.

06/26/2014 KR
- Shockwave travels more sideways.
- Shockwave doesn't push enemies and slightly drags them in.
- Cooldown decreased from 12 to 9 seconds.
04/20/2015 KR
- Shockwave travels less sideways.
07/23/2015 KR
- Casting speed increased.
- Cause Stun for 2 seconds.
- Skill's hitbox improved.