Thief Job

MapleStory Idle RPG Shadower skills and mastery

Dagger thief with close-range burst, meso skills, evasive utility, and fast finishers.

Shadower artwork
31 Total skills
13 Active skills
18 Passive skills
125 Last unlock level

Quick Answer

What is Shadower in MapleStory Idle RPG?

Shadower is a thief job in MapleStory Idle RPG. This reference lists its active skills, passive skills, unlock levels, cooldowns, and mastery upgrades so players can check progression details without relying on screenshots alone.

Notable Skills

Shadower skills players commonly check

Mastery

Shadower job mastery upgrades

Lv. 14 Main Stat Enhancement

Main Stat +30

Lv. 17 Critical Rate Enhancement

Critical Rate +5%

Lv. 28 Basic Attack Damage Enhancement

Basic Attack Damage +15%

Lv. 34 Accuracy Enhancement

Accuracy +5

Lv. 58 Max Damage Multiplier Enhancement

Max Damage Multiplier +10%

Lv. 64 Basic Attack Target Enhancement

Basic Attack Target +1

Lv. 86 Skill Damage Enhancement

Skill Damage +15%

Skill Reference

All Shadower skills by job advancement

1st Job

Active

Double Stab

  • Active
  • MP 15

[Basic Attack Effect] Deals 26% damage to 3 nearby target(s) 2 time(s).

Mastery upgrades
  • Lv. 12 Double Stab - Damage: Double Stab damage +15%
  • Lv. 15 Double Stab - Target: Double Stab max targets +1
  • Lv. 19 Double Stab - Damage: Double Stab damage +20%
  • Lv. 22 Double Stab - Target: Double Stab max targets +1
  • Lv. 26 Double Stab - Damage: Double Stab damage +20%
Passive

Flash Jump

  • Passive

Enables you to jump mid-air to travel further.

Active

Nimble Feet

  • Active
  • Cooldown 60 sec
  • MP 80

Increases Attack Speed by 15% and Speed by 10% for 15 sec.

Passive

Haste

  • Passive
  • Unlock level 10

Increases Speed by 15%.

Mastery upgrades
  • Lv. 21 Haste - Speed: Increases Haste Speed by 5%p
Active

Dark Sight

  • Active
  • Unlock level 15
  • Cooldown 25 sec
  • MP 30

Hides in the shadow for 8 sec to prepare an ambush. When this skill is activated again for the duration, increases Critical Rate by 6% and Attack by 10% for 8 sec.

Mastery upgrades
  • Lv. 24 Dark Sight - Persistence: Dark Sight's Critical Rate, Attack buff duration +50%

2nd Job

Active

Savage Blow

  • Active
  • Unlock level 30
  • MP 25

[Basic Attack Effect] Deals 40% damage to 5 target(s) in front 3 time(s).

Mastery upgrades
  • Lv. 32 Savage Blow - Damage: Savage Blow damage +15%
  • Lv. 37 Savage Blow - Target: Savage Blow max targets +1
  • Lv. 42 Savage Blow - Damage: Savage Blow damage +20%
  • Lv. 47 Savage Blow - Boss Monster Damage: Adds 15% Boss Monster Damage to Savage Blow
  • Lv. 52 Savage Blow - Damage: Savage Blow damage +20%
  • Lv. 56 Savage Blow - Strike: Savage Blow target strike count +1
Passive

Agile Daggers

  • Passive
  • Unlock level 33

Increases Attack Speed by 5%.

Mastery upgrades
  • Lv. 44 Agile Daggers - Speed: Increases Agile Daggers Attack Speed by 7%p
Passive

Steal

  • Passive
  • Unlock level 35

When attacking targets, absorbs their strength to decrease their Attack by 10% and increases your Attack by 5% for 5 sec with a 10% chance. This effect does not activate on targets already applied with the Steal effect and the Attack increase effect stacks up to 3 times.

Mastery upgrades
  • Lv. 39 Steal - Chance: Increases the Steal activation chance by 5%p
  • Lv. 54 Steal - Weaken: Increases the Attack reduction on Steal targets by 50%
Passive

Physical Training

  • Passive
  • Unlock level 38

Increases Basic Attack Damage by 10%.

Passive

Channel Karma

  • Passive
  • Unlock level 40

Increases Attack by 8% and Critical Resistance by 7%.

Passive

Dagger Mastery

  • Passive
  • Unlock level 43

Increases Min Damage Multiplier by 15%.

Mastery upgrades
  • Lv. 49 Dagger Mastery - Critical: Increases Dagger Mastery Critical Rate by 8%p
Passive

Shield Mastery

  • Passive
  • Unlock level 45

Increases LUK by 10% of Defense.

Passive

Critical Edge

  • Passive
  • Unlock level 50

Increases Critical Rate by 6% and Critical Damage by 10%.

3rd Job

Active

Midnight Carnival

  • Active
  • Unlock level 60
  • MP 50

[Basic Attack Effect] Deals 80% damage to 6 target(s) in front 5 time(s).

Mastery upgrades
  • Lv. 62 Midnight Carnival - Damage: Midnight Carnival damage +10%
  • Lv. 66 Midnight Carnival - Damage: Midnight Carnival damage +11%
  • Lv. 71 Midnight Carnival - Boss Monster Damage: Adds 10% Boss Monster Damage to Midnight Carnival
  • Lv. 76 Midnight Carnival - Damage: Midnight Carnival damage +12%
  • Lv. 80 Midnight Carnival - Damage: Midnight Carnival damage +13%
  • Lv. 84 Midnight Carnival - Boss Monster Damage: Adds 10% Boss Monster Damage to Midnight Carnival
  • Lv. 88 Midnight Carnival - Damage: Midnight Carnival damage +14%
  • Lv. 92 Midnight Carnival - Damage: Midnight Carnival damage +15%
  • Lv. 96 Midnight Carnival - Strike: Midnight Carnival target strike count +1
Passive

Shadow Partner

  • Passive
  • Unlock level 60

Creates a shadow that deals 60% additional damage with a 25% chance when attacking.

Mastery upgrades
  • Lv. 68 Shadow Partner - Damage: Shadow Partner damage +100%
Active

Phase Dash

  • Active
  • Unlock level 63
  • Cooldown 23 sec
  • MP 60

Charges to the front to deal 450% damage to 7 target(s) 2 time(s) and stun them for 2 sec.

Mastery upgrades
  • Lv. 73 Phase Dash - Damage: Phase Dash damage +80%
Active

Meso Explosion

  • Active
  • Unlock level 66
  • Cooldown 11 sec
  • MP 55

When attacking targets, generates a Meso stack with a 50% chance. When this skill is activated, attacks nearby targets to deal 270% damage 3 time(s). This skill can only be used when there are Meso stacks. The number of targets for this skill equals the number of generated Meso stacks, and the Meso stack can stack up to 10.

Mastery upgrades
  • Lv. 82 Meso Explosion - Damage: Meso Explosion damage +50%
  • Lv. 90 Meso Explosion - Strike: Meso Explosion target strike count +1
Active

Dark Flare

  • Active
  • Unlock level 69
  • Cooldown 45 sec
  • MP 85

Creates a sword that emanates dark energy for 20 sec to deal 400% damage to 5 nearby target(s) 2 time(s) every 5 sec.

Mastery upgrades
  • Lv. 78 Dark Flare - Strike: Dark Flare target strike count +1
  • Lv. 94 Dark Flare - Reuse: Decreases the Dark Flare cooldown by 30%
  • Lv. 104 Dark Flare - Strike Interval: Decreases the Dark Flare strike interval by 40%
Passive

Venom

  • Passive
  • Unlock level 72

Envenoms your daggers to Poison the target you attacked for 10 sec with a 30% chance. Poisoned targets take 45% continuous damage every 1 sec.

Mastery upgrades
  • Lv. 98 Venom - Chance: Increases the Venom activation chance by 10%p
Active

Into Darkness

  • Active
  • Unlock level 74
  • Cooldown 40 sec
  • MP 35

Increases Final Damage by 20% for 10 sec and becomes immune to basic attack damage for 2 sec. If there are no targets nearby upon using the skill, approaches a nearby target with the lowest HP ratio.

Passive

Meso Mastery

  • Passive
  • Unlock level 75

Increases the Meso generation chance of Meso Explosion by 25%p. Whenever Meso is generated, increases Attack by 25% for 5 sec.

4th Job

Active

Cruel Stab

  • Active
  • Unlock level 100
  • MP 130

[Basic Attack Effect] Penetrates targets in front with a dagger to deal 290% damage to 6 target(s) 5 time(s).

Mastery upgrades
  • Lv. 102 Cruel Stab - Damage: Cruel Stab damage +10%
  • Lv. 106 Cruel Stab - Damage: Cruel Stab damage +11%
  • Lv. 111 Cruel Stab - Boss Monster Damage: Adds 10% Boss Monster Damage to Cruel Stab
  • Lv. 116 Cruel Stab - Damage: Cruel Stab damage +12%
  • Lv. 120 Cruel Stab - Damage: Cruel Stab damage +13%
  • Lv. 124 Cruel Stab - Boss Monster Damage: Adds 10% Boss Monster Damage to Cruel Stab
  • Lv. 128 Cruel Stab - Damage: Cruel Stab damage +14%
  • Lv. 132 Cruel Stab - Damage: Cruel Stab damage +15%
  • Lv. 136 Cruel Stab - Strike: Cruel Stab target strike count +1
Passive

Maple Hero

  • Passive
  • Unlock level 100

Increases Final Damage of the following skills: Dark Flare 15% Venom 50% Shadow Partner 50% Phase Dash 40%

Active

Assassinate

  • Active
  • Unlock level 103
  • Cooldown 13 sec
  • MP 150

Attacks the target's vital point to deal 1400% damage 2 time(s). Every time the skill is used 2 times, delivers a powerful finishing blow to deal 3000% additional damage.

Mastery upgrades
  • Lv. 108 Assassinate - Murderous Intent: After attacking with Blood Money, doubles the finishing blow damage of the next Assassinate
  • Lv. 134 Assassinate - Damage: Assassinate damage +50%
Active

Sudden Raid

  • Active
  • Unlock level 105
  • Cooldown 19 sec
  • MP 160

Rallies all companions in hiding to deal 1400% damage to 8 nearby target(s) 3 time(s), and deals 360% continuous damage every 1 sec for 5 sec.

Mastery upgrades
  • Lv. 126 Sudden Raid - Damage: Sudden Raid damage +50%
Passive

Blood Money

  • Passive
  • Unlock level 107

When generating Meso with Meso Explosion, creates additional Blood Money branded with an Assassin's Mark with a 50% chance. When using Meso Explosion, attacks nearby targets to deal 2800% damage. The number of targets for this skill is equal to the number of created Blood Money, which stacks up to 5. If there is only 1 target, damage is increased by Blood Money stack * 5%.

Mastery upgrades
  • Lv. 122 Blood Money - Target: Blood Money damage +100%
  • Lv. 138 Blood Money - Damage: Doubles the stack count of Blood Money
Active

Smokescreen

  • Active
  • Unlock level 110
  • Cooldown 45 sec
  • MP 120

Drops a Smokescreen near yourself to reduce the Accuracy of targets in range by 10, their Evasion by 10, and their Defense by 8%, and decreases the damage taken by allied players in range by 8% for 20 sec. Your Final Damage additionally increases by 15% for the duration of the smokescreen.

Mastery upgrades
  • Lv. 113 Smokescreen - Critical: Decreases Critical Resistance of targets in Smokescreen range by 10%, increases the Critical Damage of allied players by 30%
Passive

Shadow Shifter

  • Passive
  • Unlock level 115

Increases Attack by 10%. When damaged, counterattacks to deal 2500% damage with 20% chance, and the Attack increase effect disappears for 4 sec.

Mastery upgrades
  • Lv. 118 Shadow Shifter - Evasion: Attack boost +100%\nWhen Shadow Shifter is activated, the Attack increase effect does not disappear, and Evasion increases by 20 for 3 sec
Passive

Toxic Venom

  • Passive
  • Unlock level 117

When attacking targets inflicted with Venom, deals 600% additional damage with a 20% chance.

Mastery upgrades
  • Lv. 130 Toxic Venom - Damage: Toxic Venom damage +100%
Passive

Dagger Expert

  • Passive
  • Unlock level 120

Increases Skill Damage by 15% and Max Damage Multiplier by 20%.

Passive

Shadower Instinct

  • Passive
  • Unlock level 125

Increases Final Damage by 20%.

Source Notes

Where this Shadower data came from

This page is an unofficial fan reference. Skill details are compiled from source references and in-game or player-submitted notes where available. Recheck close decisions in game because MapleStory Idle RPG can change through patches.