Sneak Attack (1d6) — Once per turn, extra damage when you have advantage or an ally is within 5ft of target. Must use finesse or ranged weapon. Don’t need advantage if ally is adjacent and you don’t have disadvantage.
Thieves’ Cant — Secret language/code among rogues. Takes 4x longer to convey messages. Also includes secret signs and symbols.
Level 2
Cunning Action — Bonus action to Dash, Disengage, or Hide each turn.
Uncanny Dodge — Reaction: halve damage from an attack you can see.
Level 6
Expertise — Choose 2 more proficiencies (skills or thieves’ tools) to double.
Level 7
Evasion — DEX save for half damage → no damage on success, half on fail.
Level 8
Ability Score Improvement (or Feat)
Level 9
Roguish Archetype feature
Level 10
Ability Score Improvement (or Feat)
Level 11
Reliable Talent — Any ability check using a proficient skill: treat d20 rolls of 9 or lower as 10.
Level 12
Ability Score Improvement (or Feat)
Level 13
Roguish Archetype feature
Level 14
Blindsense — If you can hear, you know the location of hidden or invisible creatures within 10ft.
Level 15
Slippery Mind — Gain proficiency in Wisdom saving throws.
Level 16
Ability Score Improvement (or Feat)
Level 17
Roguish Archetype feature
Level 18
Elusive — No attack roll has advantage against you while you aren’t incapacitated.
Level 19
Ability Score Improvement (or Feat)
Level 20
Stroke of Luck — Turn a miss into a hit, or treat a failed ability check as a natural 20. 1/short or long rest.
Thief Archetype
Level 3
Fast Hands — Cunning Action can also: Sleight of Hand check, use thieves’ tools to disarm trap/open lock, or Use an Object action.
Second-Story Work — Climbing costs no extra movement. Running jump distance increases by DEX modifier feet.
Level 9 — Supreme Sneak
Advantage on Stealth if you move no more than half speed that turn.
Level 13 — Use Magic Device
Ignore all class, race, and level requirements on magic items.
Level 17 — Thief’s Reflexes
Two turns in first round of combat: normal initiative, then initiative minus 10. Can’t use when surprised.
Assassin Archetype
Level 3
Bonus Proficiencies — Proficiency with disguise kit and poisoner’s kit.
Assassinate — Advantage on attacks against creatures that haven’t taken a turn. Any hit against a surprised creature is a critical.
Level 9 — Infiltration Expertise
Spend 7 days + 25 gp to create a false identity (documentation, appearance, etc.).
Level 13 — Impostor
Unerringly mimic another person’s speech, writing, and behavior after 3 hours of study.
Level 17 — Death Strike
When you hit a surprised creature: CON save (DC 8 + DEX mod + proficiency) or double all damage.
Arcane Trickster Archetype
Level 3
Spellcasting — Learn wizard spells using Intelligence. Mage Hand is free + mandatory.
Cantrips: 3 (Mage Hand + 2 others)
Spells known: 3 (1st level; 2 must be Enchantment or Illusion)
Spell save DC = 8 + proficiency + INT modifier
Mage Hand Legerdemain — Mage Hand is invisible. Can stow/retrieve objects, use thieves’ tools at range. Sleight of Hand check to do unnoticed.
Spellcasting Progression
Level
Cantrips
Spells Known
1st
2nd
3rd
4th
3rd
3
3
2
—
—
—
4th
3
4
3
—
—
—
7th
3
5
4
2
—
—
8th
3
6
4
2
—
—
10th
4
7
4
3
—
—
11th
4
8
4
3
—
—
13th
4
9
4
3
2
—
14th
4
10
4
3
2
—
16th
4
11
4
3
3
—
19th
4
12
4
3
3
1
20th
4
13
4
3
3
1
Level 9 — Magical Ambush
If hidden when you cast a spell, target has disadvantage on saves against it.
Level 13 — Versatile Trickster
Bonus action: direct Mage Hand to distract creature within 5ft of it. You have advantage on attacks against that creature until end of turn.
Level 17 — Spell Thief
Reaction when creature casts spell targeting you: INT save (DC = spell save DC). On success, negate the spell’s effect and you learn it for 8 hours (can cast it using your slots). Creature can’t cast that spell for 8 hours. 1/long rest.
Validation Checklist
2 Expertise choices (1st), 2 more (6th)
Sneak Attack damage correct (1d6 per 2 levels, rounded up)
Thieves’ Cant noted
Cunning Action noted (Level 2+)
Subclass chosen at Level 3
If Arcane Trickster: spells listed, Mage Hand included, school restrictions checked