Profession mechanic
The thief has 3 profession mechanics.
Stealing is the main mechanic, occupying the F1 slot above the skill bar.
| Skill | Recharge | Description |
| Steal | 45 | Shadowstep to your foe and steal from them. |
Stealth skills are the second mechanic, with a distinct stealth skill for each main hand weapon. While in stealth, the skill in slot 1 is replaced by this skill; using it will break stealth. These skills are listed in the weapon tables below.
Dual wield skills are the third mechanic, with a distinct dual wield skill for each possible combination of main- and off-hand weapons. These skills are always in slot 3, and are listed in the weapon tables below: the slot 3 skill listed in the main table is for the weapon paired with itself, with other combinations listed below the table.
Weapon skills
indicates a main-hand weapon's stealth skill.
Two-handed
| Skill | Type | Recharge | Description | |
| Shortbow | ||||
| 1 | Trick Shot | Bounce an arrow between multiple nearby foes. | ||
| Surprise Shot | Stealth | Shoot an arrow that immobilizes your foe. | ||
| 2 | Cluster Bomb | 3 | Fire a cluster bomb at target area. Detonate in midair for multiple explosions. | |
| Detonate Cluster | Detonate your cluster bomb in midair. | |||
| 3 | Disabling Shot | 4 | Do an evasive leap away from your foe while firing a crippling shot. | |
| 4 | Choking Gas | 4 | Fire an arrow that fills the target area with a poisonous cloud. | |
| 5 | Infiltrator's Arrow | 6 | Fire an arrow and shadowstep to the target area, blinding nearby foes. |
Main hand only
| Skill | Type | Recharge | Description | |
| Sword | ||||
| 1 | Slice | Slice your foe. | ||
| Slash | Slash your foe again. | |||
| Crippling Strike | Cripple your foe with a final strike. | |||
| Tactical Strike | Stealth | Blind your foe by bashing them with your sword hilt. Daze them instead if you attack from behind. | ||
| 2 | Infiltrator's Strike | 3 | Shadowstep to a foe and strike them. Use Shadow Return to shadowstep back and cure onecondition. | |
| Shadow Return | 2 | Return to your original location. Cure one condition. | ||
| With No Offhand | ||||
| 3 | Stab | Dual Wield | 4 | Stab your foe. |
| With Offhand Dagger | ||||
| 3 | Flanking Strike | Dual Wield | 4 | Evade and stab your foe in the back twice. First strike removes 1 boon. |
| With Offhand Pistol | ||||
| 3 | Pistol Whip | Dual Wield | 5 | Pistol-whip your foe, stunning them, then slash repeatedly with your sword. |
Dual-wield
| Skill | Type | Recharge | Description | |
| Dagger | ||||
| 1 | Double Strike | Strike your foe twice. | ||
| Wild Strike | Strike your foe again. Gain endurance with a successful strike. | |||
| Lotus Strike | Strike your foe and inflict poison. | |||
| Backstab | Stealth | Attack your foe from the shadows, striking for double damage if you hit from behind. | ||
| 2 | Heartseeker | 3 | Leap and strike your foe. The less health your target has, the more damage you cause. | |
| With No Offhand | ||||
| 3 | Twisting Fangs | Dual Wield | 4 | Spin in place, hitting nearby foes. Each hit causes bleeding. |
| With Offhand Pistol | ||||
| 3 | Shadow Shot | Dual Wield | 4 | Fire a blinding shot at your foe, then shadowstep to them for a dagger strike. |
| With Offhand Dagger | ||||
| 3 | Death Blossom | Dual Wield | 5 | Do an evasive attack over your opponent, striking nearby enemies three times. Each hit causes bleeding. |
| 4 | Dancing Dagger | 4 | Throw a dagger that cripples nearby foes and returns to you. | |
| 5 | Cloak and Dagger | 6 | Stab your foe and vanish in stealth, leaving them vulnerable. | |
| Pistol | ||||
| 1 | Vital Shot | Bleed your foe with a shot to the vitals. | ||
| Sneak Attack | Stealth | Sneak attack with rapid fire from your pistol and make your foe bleed. | ||
| 2 | Body Shot | 3 | Make your foe vulnerable with a body shot. | |
| With No Offhand | ||||
| 3 | Repeater | Dual Wield | 5 | Blast your foe with rapid fire from your pistol. |
| With Offhand Dagger | ||||
| 3 | Shadow Strike | Dual Wield | 4 | Stab your foe, then shadowstep away and shoot them. |
| With Offhand Pistol | ||||
| 3 | Unload | Dual Wield | 5 | Blast your foe repeatedly with both pistols. |
| 4 | Headshot | 4 | Daze your foe with a head shot. | |
| 5 | Black Powder | 6 | Fire a black powder shot, blinding nearby foes with the smoke cloud. |
Aquatic
| Skill | Type | Recharge | Description | |
| Harpoon Gun | ||||
| 1 | Piercing Shot | Bleed multiple foes in a line with a piercing shot. | ||
| The Ripper | Stealth | Fire a shot from stealth to bleed your target. | ||
| 2 | Deluge | 5 | Fire four shots at your foe. | |
| 3 | Escape | 4 | Shoot a harpoon and retreat, leaving a trail of poison. | |
| 4 | Disabling Shot | 4 | Fire a harpoon that cripples your foe. | |
| 5 | Ink Shot | 5 | Shoot an ink shot that blinds foes in a line. Detonate the shot and shadowstep to it. | |
| Smoke Trail | Detonate your ink shot and shadowstep to it. | |||
| Spear | ||||
| 1 | Stab | Stab your foe. | ||
| Jab | Strike your foe again. | |||
| Poison Tip Strike | Poison your foe with a final attack. | |||
| Deadly Strike | Stealth | Attack from stealth, bleeding and weakening your target. | ||
| 2 | Flanking Strike | 3 | Evade your foe and then attack, applying vulnerability to your target. | |
| 3 | Nine Tailed Strike | 3 | Block your foe and counterattack with a series of strikes. Gain initiative if you are not attacked. | |
| Break Stance | Break your blocking stance to gain initiative. | |||
| 4 | Tow Line | 4 | Throw a tow line that pulls you to your foe and cripples them | |
| 5 | Shadow Assault | 5 | Strike your foe repeatedly with a shadowy assault. Evades while active. |
Slot skills
Healing
| Skill | Type | Skill Points | Recharge | Description | |
| Hide in Shadows | 30 | Vanish in stealth and gain regeneration. Cures burning, poison, and bleeding. | |||
| Signet of Malice | Signet | 3 | 15 | Passive: Heals when you attack.Active: Gain health. | |
| Withdraw | 1 | 15 | Roll backward while healing and evade attacks. Cures immobilized, chilled, and crippled. |
Utility
| Skill | Type | Skill Points | Recharge | Descriptcion | |
| Blinding Powder | Deception | 3 | 60 | Blind foes in the target area and grant stealth to nearby allies. | |
| Shadow Refuge | Deception | 6 | 60 | Create a pulsing refuge at the target area that heals allies and cloaks them in stealth. | |
| Shadowstep | Deception | 1 | 50 | Shadowstep to target area. Becomes Shadow Return, which returns you to your starting area and cures three conditions. | |
| Shadow Return | Maneuver | Return to your starting location and cure three conditions. | |||
| Smoke Screen | Deception | 6 | 30 | Create a smoke screen that blocks projectiles and blinds foes. | |
| Assassin's Signet | Signet | 1 | 45 | Passive: Grants increased power.Active: Deal 150% damage on your next attack. | |
| Infiltrator's Signet | Signet | 3 | 30 | Passive: Regenerates one extra initiative every ten seconds.Active: Shadowstep to your foe. | |
| Signet of Agility | Signet | 1 | 30 | Passive: Grants increased precision.Active: Refill endurance and cure a condition for each nearby ally. | |
| Signet of Shadows | Signet | 6 | 30 | Passive: Grants a 25% increase in movement speed.Active: Blind foes near your target. | |
| Ambush | Trap | 6 | 35 | Set a trap that, when triggered, calls in a thief that attacks nearby foes for twenty seconds. | |
| Needle Trap | Trap | 3 | 30 | Set a trap that immobilizes and poisons foes when triggered. | |
| Shadow Trap | Trap | 3 | 30 | Set a trap. You vanish in stealth and shadowstep back to the trap when it is triggered. | |
| Tripwire | Trap | 1 | 30 | Set a trap that knocks down foes when triggered. | |
| Caltrops | Trick | 1 | 30 | Scatter caltrops that bleed and cripple foes. | |
| Haste | Trick | 3 | 60 | Gain quickness. Lose all endurance and stop endurance from regenerating. | |
| Roll for Initiative | Trick | 6 | 60 | Evade backward to regenerate initiative and recover from crippled, chilled, and immobile. | |
| Scorpion Wire | Trick | 1 | 30 | Throw a scorpion wire and pull your foe to you. | |
| Devourer Venom | Venom | 6 | 45 | Your next two attacks Immobilize. | |
| Ice Drake Venom | Venom | 3 | 45 | Chill foes with the next three attacks. | |
| Skale Venom | Venom | 3 | 45 | Make foes weak and vulnerable with your next three attacks. | |
| Spider Venom | Venom | 1 | 45 | Poison foes with your next five attacks. |
Elite
| Skill | Type | Skill Points | Recharge | Description | |
| Basilisk Venom | Venom | 10 | 45 | Your next attack turns your foe to stone. | |
| Dagger Storm | 30 | 90 | Spin around, reflecting projectiles and throwing daggers that cripple and bleed nearby foes. You can move while spinning. | ||
| Thieves Guild | 10 | 180 | Call more thieves to support you in combat. |
Downed and drowning skills
| Skill | Type | Recharge | Description | |
| Downed | ||||
| 1 | Trail of Knives | Throw a knife that bounces off nearby foes crippling them. | ||
| Venomous Knife | Stealth | Throw a knife, bleeding and poisoning your target. | ||
| 2 | Shadow Escape | 15 | Teleport to the target location. | |
| 3 | Smoke Bomb | 20 | Drop a smoke bomb and vanish in stealth. | |
| 4 | Bandage | 5 | Call your allies for help. Restores health while you channel it. | |
| Drowning | ||||
| 1 | Diving Knife | Throw a knife at your foe, Bleeding them. | ||
| 2 | Cheap Shot | 5 | Knock back your foe with a kick. | |
| 3 | Vanish in the Deep | 20 | Vanish into the Depths. | |
| 4 | Bandage | 5 | Call your allies for help. Restores health while you channel it. |
