From Lineage 2 Encyclopaedia

Properties

Light Armor Mastery
Increases P. Def. by 1.3 and Evasion by 4, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.
Class	Assassin
Type	passive
Attribute	-
Recast time	0 s
Cast time	0 s
Cast range	0
Classes with same skill	Rogue, Treasure Hunter, Hawkeye, Elven Scout, Plains Walker, Silver Ranger, Assassin, Abyss Walker, Phantom Ranger, Monk, Tyrant, Sagittarius, Adventurer, Wind Rider, Moonlight Sentinel, Ghost Hunter, Ghost Sentinel, Grand Khavatari

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
20	1	Increases P. Def. by 1.3 and Evasion by 4, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	4
20	2	Increases P. Def. by 2.2 and Evasion by 4, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	4
24	3	Increases P. Def. by 3.2 and Evasion by 6, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	6
24	4	Increases P. Def. by 4.2 and Evasion by 6, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	6
28	5	Increases P. Def. by 5.3 and Evasion by 7, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	7
28	6	Increases P. Def. by 6.8 and Evasion by 7, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	7
32	7	Increases P. Def. by 8.4 and Evasion by 7, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	10
32	8	Increases P. Def. by 10.1 and Evasion by 7, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	10
36	9	Increases P. Def. by 11.9 and Evasion by 7, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	13
36	10	Increases P. Def. by 13.7 and Evasion by 7, and decreases the chance of receiving Critical Damage by 15% when equipped with light armor.	0	0	13