| Description | Magic Lvl |
|---|---|
 Backstab Lvl. 1 Supplements P. Atk. with 1107 Power to strike the enemy's unprotected back. Available when equipped with a dagger or a dual dagger. Over-hit, critical hit and half-kill are possible. | 38 |
Backstab Lvl. 2 Supplements P. Atk. with 1176 Power to strike the enemy's unprotected back. Available when equipped with a dagger or a dual dagger. Over-hit, critical hit and half-kill are possible. | 39 |
Backstab Lvl. 3 Supplements P. Atk. with 1249 Power to strike the enemy's unprotected back. Available when equipped with a dagger or a dual dagger. Over-hit, critical hit and half-kill are possible. | 40 |
 Critical Chance Lvl. 2 Increases Critical Rate by 30%. | 40 |
 Critical Damage Lvl. 3 Increases Critical Damages by 93. | 40 |
 Dagger Mastery Lvl. 9 Increases P. Atk. by 20.3 when using a dagger. Increases expertise in using a dagger, making it possible to use a dagger more skillfully. | 38 |
Dagger Mastery Lvl. 10 Increases P. Atk. by 21.8 when using a dagger. Increases expertise in using a dagger, making it possible to use a dagger more skillfully. | 39 |
Dagger Mastery Lvl. 11 Increases P. Atk. by 23.4 when using a dagger. Increases expertise in using a dagger, making it possible to use a dagger more skillfully. | 40 |
 Deadly Blow Lvl. 1 Attacks the target's vital spot with 1107 Power added to P. Atk. Requires a dagger. Over-hit and Half-kill are possible. | 38 |
Deadly Blow Lvl. 2 Attacks the target's vital spot with 1176 Power added to P. Atk. Requires a dagger. Over-hit and Half-kill are possible. | 39 |
Deadly Blow Lvl. 3 Attacks the target's vital spot with 1249 Power added to P. Atk. Requires a dagger. Over-hit and Half-kill are possible. | 40 |
 Fake Death Lvl. 1 Plays dead to keep a monster from attacking. Consumes 10 MP per second. | 40 |
 Light Armor Mastery Lvl. 11 Increases P.Def. by 15.7 and Evasion by 7, and decreases the chance of receiving Critical Damage by 25% when equipped with light armor. | 38 |
Light Armor Mastery Lvl. 12 Increases P.Def. by 16.7 and Evasion by 7, and decreases the chance of receiving Critical Damage by 25% when equipped with light armor. | 39 |
Light Armor Mastery Lvl. 13 Increases P.Def. by 17.8 and Evasion by 7, and decreases the chance of receiving Critical Damage by 25% when equipped with light armor. | 40 |
 Silent Move Lvl. 1 Disables preemptive attacks from enemies. Decreases Speed by 40% and Increases resistance to Fire, Water, Wind and Earth attacks by 15%. Continuously consumes MP. | 40 |
 Unlock Lvl. 6 There is a 100% chance to open a level 1 door, a 75% chance to open a level 2 door, and 90% chance to open a level 40 treasure chest. Requires 5 Thief Keys. | 40 |
 Vicious Stance Lvl. 6 Increases Critical Damages by 139. Additionally increased Critical Damage by 3%. Continuously consumes MP proportionately to the user's level. | 40 |
 Vital Force Lvl. 3 Increases HP Regeneration by 2.9 and MP Recovery Bonus by 2.2 when sitting. | 40 |