From Lineage 2 Encyclopaedia

Properties

Sonic Rage
Attacks the target with a deadly energy storm, lowers P. Def., and absorbs Momentum. Requires a sword, blunt, fist weapon, dual blunt, or dualsword.
Class	Duelist
Type	active
Attribute	-
Recast time	0 s
Cast time	1.2 s
Cast range	600
Classes with same skill	Duelist, Tyrr Duelist

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
78	1	Attacks the target with a deadly energy storm, lowers P. Def., and absorbs Momentum. Requires a sword, blunt, fist weapon, dual blunt, or dualsword.	50	0	4000
79	2	Attacks the target with a deadly energy storm with 205 Power, lowers P. Def., and absorbs Momentum. Requires a sword, blunt, fist weapon, dual blunt, or dualsword.	55	0	5000
81	3	Attacks the target with a deadly energy storm with 215 Power, lowers P. Def., and absorbs Momentum. Requires a sword, blunt, fist weapon, dual blunt, or dualsword.	56	0	6500
83	4	Attacks the target with a deadly energy storm with 225 Power, lowers P. Def., and absorbs Momentum. Requires a sword, blunt, fist weapon, dual blunt, or dualsword.	57	0	9000