A true genius of theft and subtlety, a thief so talented, they stole the power of a god and still no one knows who they are; The Master Thief is you patron. The Master Thief acts through a special knife that only you can summon, which grants you the talents and abilities any thief would need to accomplish whatever the job requires.
Expanded Spell List
The Master Thief lets you choose from an expanded list of spells when you learn a warlock spell. The following spells are added to your warlock spell list.
Master Thief Expanded Spells
| Spell Level | Spell |
|---|---|
| 1st | alarm, fog cloud, identify |
| 3rd | enhance ability, pass without trace |
| 5th | blink, nondetection, sending |
| 7th | greater invisibility, private sanctum |
| 9th | passwall, skill empowerment |
The Knife from Nothingness
At 1st level, by utilizing and expending a handful of metal equal to or greater than 1gp of worth, you summon a special knife made of solidified shade, as an action; this is the Knife from Nothingness. It is a simple melee weapon with which you are proficient. The Knife from Nothingness deals 1d4 psychic damage on a hit and has the finesse, light, and thrown properties (range 20/60). When you use the attack action with the Knife, you can use your Charisma modifier, instead of Strength or Dexterity, for the attack and damage rolls.
The Knife from Nothingness may be used to pick locks and disarm traps as if you were using and had proficiency with Thieves’ Tools, using your Charisma modifier in place of Dexterity.
If you drop or throw the Knife, you can use a bonus action to cause the Knife to reappear in your hand. If it is taken or lost, it must be resummoned using new materials and the previous Knife disappears after being resummoned.
At higher levels, the Knife from Nothingness becomes more powerful. When you take the Attack action to use your Knife, the number of d4s rolled increases as you gain warlock levels, increasing to 2d4 at level 6, 3d4 at level 10, 4d4 at level 10, 5d4 at level 14, and 6d4 at level 18.
If you later gain the Pact of the Cloak feature, once per turn, when you attack with your Knife and roll with advantage or with an ally within 5 feet of your target, you may add 1d8 plus your warlock class level to the damage.
Thief’s Intuition
Also at 1st level, your patron imparts some of their grace, choose either Sleight of Hand or Stealth to gain proficiency in.
Additionally, prior to making a skill check or saving throw that you don't have proficiency in, you may use your reaction to add your proficiency bonus that the roll. This feature can be used a number of times equal to your Charisma modifier, and all expended uses are restored when you finish a rest.
Thief’s Talents
At 6th level, your patron grants you abilities they knew in life. You learn Thieves Cant, as per the Rogue feature. Additionally, you may allow your ghostly patron to guide you for the next minute (no action required), you gain Thief’s Talents. While you have Thief’s Talents, you have advantage on Dexterity saving throws; additionally, once on each of your turns you may use one of the following abilities:
Lifeline: Cast levitate without expending a spell slot which lasts until the end of your next turn.
Subtle Arts: When you cast a spell, you may cast it without any somatic or verbal components.
Honed Reflexes: As a bonus action, take or plant an item on a humanoid or perform the Hide or Search action.
Once you have used this feature, you may not use it again unless you have taken a long rest or have expended a warlock spell slot to use it again.
Den of Thieves
At 10th level, your patron can help you in the subtle arts, as well as your companions. When you or an ally you can see within 30 feet is making a skill check, prior to the roll, you may use your reaction to make give advantage on the roll. You may use this feature a number of times per long rest equal to your proficiency bonus.
Additionally, you may cast tiny hut without using a spell slot once per long rest. When cast this way, each creature within the tiny hut is under the effects of the nondetection spell.
Thief’s Shadow
At 14th level, you can gain a blessing of invisibility from your patron. After using the Hide action, you may become invisible. Your invisibility ends when you cast a spell, make an attack, or at the end of your next turn. You may use this ability a number of times per long rest equal to your proficiency bonus.
Additionally, whenever you or a willing creature you can see rolls a 1 on a Dexterity check or Dexterity saving throw, you may use your reaction to reroll the skill check or saving throw, taking the new roll instead.
Pact of the Cloak
Your patron gives you cloak, a sheet of patternless cloth warn over the shoulders that can range from floor-length to extending to your mid-back. You can change the size, texture, and color of your cloak when you finish a long rest and choose whether it has a hood as well.
A number of times per short rest equal to your proficiency bonus, when attempting to Hide, you do not need to break line-of-sight to perform your Hide action.
If you lose the cloak, you can perform a 1-hour ceremony to receive a replacement from your patron. This ceremony can be performed during a short or long rest, and it destroys the previous cloak. The cloak turns into mundane threads that unweave and blow away when you die.
Invocations
Adler's Blade of Chemotaxis
3rd-level, The Master Thief Patron, Pact of the Cloak
If you have dealt damage to a creature within the last minute, you may use your action to teleport to an unoccupied space within 5 feet of that creature as long as they are still within 120 feet of you.
You can also cast misty step once per long rest without expending a spell slot.
Marconi's Cloak of Traversing
5th-level, Pact of the Cloak
A gust of wind picks As a bonus action, you may fly up to 20 feet before the end of your turn. You may use this feature a number of times per long rest equal to your proficiency bonus. If you are still aloft at the end of your turn, you float gently to the ground.
McGuffin's Map of Value
7th-level, The Master Thief Patron
After casting a divination spell, you have advantage on checks to maintain concentration on spells until an hour as passed since you cast that divination spell .
You may cast locate object and locate creature once each per long rest without expending a spell slot.
Pickpocket's Pal
7th-level, The Master Thief Patron, Pact of the Cloak
When you are within 5 feet of a humanoid or creature that wears clothing, you may make a Dexterity (Sleight of Hand) or Charisma (Deception) check with advantage versus the target's passive perception as a bonus action. If you are successful, you may either pick from 3 random items to steal, as determined by the DM, or plant a single item.
You can also cast tiny servant once per long rest without expending a spell slot.
Plank's Penumbra
3rd-level, Pact of the Cloak
You may take the Hide action as a bonus action once per short rest.
You can also cast invisibility once without expending a spell slot. You regain the ability to do so when you finish a long rest.
Poisoned Blade of Paracelsus
The Master Thief Patron
You inject an eldrtich poison as you stab with your Knife from Nothingness. Once per turn when you hit a creature with your Knife from Nothingness, you can expend a warlock spell slot to deal an extra 1d6 poison damage to the target, plus another 1d6 per level of the spell slot. The creature damaged is poisoned until the end of their next turn.
Shade's Delight
3rd-level, Pact of the Cloak
When you roll a 1 when performing a Dexterity (Stealth) check, you may choose to roll again, taking the new roll instead.
You can cast pass without trace without expending a spell slot. You regain the ability to do so when you finish a long rest.
Trap Sense
You have advantage on saving throws triggered by traps.
You can also cast find traps once per long rest without expending a spell slot.
Thief's Eyes
The Master Thief Patron
After taking the Hide action, if you are moving at half your normal pace, you have a +5 bonus to your passive Intelligence (Investigation) and passive Wisdom (Perception) scores. Additionally while moving steathily, you gain advantage on ability checks reliant on vision.
Vault of the Consuming Cloak
Pact of the Cloak
Your cloak consumes an object you are holding, causing that object to vanish. The object, which only you can be holding and can weigh no more than warlock level multiplied by four pounds, is transported to an extradimensional space, your private vault within your cloak, where it remains until recalled; if you die, the items held within your vault spew forth around your corpse in 1d4 days.
Your vault can hold up to 500 pounds, not exceeding a volume of 64 cubic feet. Retrieving an item from your vault requires an action. Your cloak will not consume an object that has an extradimensional space
Invocations:
Wandering Mind
You persistently gain and lose focus in a new topic; at the end of each long rest choose an instrument, language, skill, and tool that you are not proficient in and gain proficiency.
At the end of each long rest you must choose a new instrument, language, skill, and tool to become proficient with, losing the previous proficiency.
Use BA to stealth and… Double the die damage Gain advantage on ability checks and saving throws until start of next turn
If you later gain the Pact of the Blade, all damage dice for the Knife of Nothingness changes from d4s to d6s, however the Knife loses its thrown property.
If you later gain the Pact of the Tome, you may call upon the ghost of the master thief to reduce the time for casting ritual spells by 10 minutes.