MapleStory/Thief/Skills

Semi Dualer
Level 20-29

Dualer
Level 30-49

Dual Master
Level 50-69

Slasher
Level 70-120
 * Anyone feel free to fill this out.

Fourth Job
Disclaimer: Fourth Job Skills are released on KMS, JMS, MSEA,GMS, and EMS, but all information is subject to change at any time.

Common
Lvl 30: 40%/30% Chance to completely avoid all enemy attacks. (40% for Shadowers, 30% for Night Lords)
 * Shadow Shifter : This is a passive skill. Ability to foresee enemy movements and evade with quick reflexes.

LV 30: 40 MP, Monster Defenses, EXP, & Drop rate rise by 40%.
 * Taunt : This is a status effect skill. For a period of time, the monster's defenses will rise, as well as the EXP & Drop rate.

LV 30: 10 seconds poison duration, 30% success rate, Weapon Attack +60
 * Venom : This is a passive ability. All your dagger/claw attacks will have a probability of giving a deadly poison status.

LV 30: 43MP, 100% Damage 12 seconds trap time, Attack range 150%
 * Ninja Ambush : For a period of time, ambush the enemy by laying traps of tiny ninjas. Ambush works on up to 10 targets.

Night Lord
LV 30: 25 MP, 120 seconds duration, consumes 200 stars to use.
 * Shadow Claw : Costs 200 stars; for a period of time you will have unlimited throwing stars from this set you spent the 200 stars from.

LV 30 20MP, 150% Damage per star
 * Triple Throw : Throw 3 stars at once against one enemy.

LV 30: 25MP, 80% Damage, 100% Success Rate, 300 Distance.
 * Ninja Storm : Summoning a companion to perform a spin motion, causing nearby targets to be tossed away. Stuns target.

Shadower
LVL 30: 40 MP, 120% attack power, charge up to 18 seconds, 250% critical damage, 90% critical success rate. (600% damage with full charge. (18 seconds)) LVL 30: 26 MP, 500% attack power, up to 4 targets, 90% stun rate
 * Assassinate : Go in Dark Sight for an amount of time then hits 3 times and finishes with an Assaulter-like skill. Damage is based on the time spent in Dark Sight.
 * Boomerang Step : Works like a double assaulter, dealing 1000% dmg hit to 4 monsters. When you do boomerang step, you also attain invincibility.
 * Smokescreen : Throws down a smoke bomb that covers the area in a haze that prevents all party members (including yourself) from being damaged. Cooldown of 10 minutes.