From Lineage 2 Encyclopaedia

Properties

Sonic Mastery
Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 1 stage of Momentum can be absorbed.
Class	Duelist
Type	passive
Attribute	-
Recast time	0 s
Cast time	0 s
Cast range	0
Classes with same skill	Gladiator, Duelist

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
40	1	Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 1 stage of Momentum can be absorbed.	0	0	28
43	2	Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 2 stage of Momentum can be absorbed.	0	0	31
49	3	Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 3 stage of Momentum can be absorbed.	0	0	68
55	4	Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 4 stage of Momentum can be absorbed.	0	0	89
60	5	Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 5 stage of Momentum can be absorbed.	0	0	194
66	6	Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 6 stage of Momentum can be absorbed.	0	0	406
70	7	Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 7 stage of Momentum can be absorbed.	0	0	940
79	8	Absorbs the target's Momentum. Momentum can be absorbed with a 15% chance for regular physical attacks and 30% during a critical attack. Applies when a sword, blunt weapon, or dualsword is equipped. Up to 8 stage of Momentum can be absorbed.	0	0	5000