From Lineage 2 Encyclopaedia

Properties

Sword/Blunt Weapon Mastery
Increases P. Atk. by 4.5 when using a sword or blunt weapon.
Class	Warrior
Type	passive
Attribute	-
Recast time	0 s
Cast time	0 s
Cast range	0
Classes with same skill	Warrior, Gladiator, Warlord, Raider, Destroyer, Duelist, Dreadnought, Titan

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
20	1	Increases P. Atk. by 4.5 when using a sword or blunt weapon.	0	0	4
24	2	Increases P. Atk. by 7.3 when using a sword or blunt weapon.	0	0	6
28	3	Increases P. Atk. by 8.9 when using a sword or blunt weapon.	0	0	7
28	4	Increases P. Atk. by 10.7 when using a sword or blunt weapon.	0	0	7
32	5	Increases P. Atk. by 12.8 when using a sword or blunt weapon.	0	0	10
32	6	Increases P. Atk. by 15.1 when using a sword or blunt weapon.	0	0	10
36	7	Increases P. Atk. by 17.7 when using a sword or blunt weapon.	0	0	13
36	8	Increases P. Atk. by 20.5 when using a sword or blunt weapon.	0	0	13