• Level 1: 13 FIN, 1 Scoundrel, 1 Warfare, Executioner
  
• Level 2: 16 FIN, 1 Poly
  
• Level 3: 19 FIN, 13 Memory, 2 Poly, Mnemonic
  
• Level 4: 21 FIN, 2 Scoundrel
  
• Level 5: 23 FIN, 1 Aero
  
• Level 6: 15 Memory, 2 Aero
  
• Level 7: 25 FIN, 2 Warfare
  
• Level 8: 27 FIN, 3 Warfare, Opportunist
  
• Level 9: 29 FIN, 16 Memory, 3 Poly
  
• Level 10: 18 Memory, 4 Warfare
  
• Level 11: 31 FIN, 5 Warfare
  
• Level 12: 33 FIN, 6 Warfare
  
• Level 13: 35 FIN, 7 Warfare, Hothead
  
• Level 14: 37 FIN, 8 Warfare
  
• Level 15: 39 FIN, 9 Warfare
  
• Level 16: 40 FIN, 11 WIT, 10 Warfare
  
• Level 17: 13 WIT, 3 Scoundrel
  
• Level 18: 16 WIT, 4 Poly, Glass Cannon or Bigger & Better
  
• Level 19: 19 WIT, 5 Poly
  
• Level 20: 21 WIT, 4 Scoundrel
  
• Level 21: 23 WIT, 5 Scoundrel

If the requirements already met with the help of your gear, respec the attributes or combat skills and relocate them elsewhere where it could yield more benefits like getting more Scoundrel.

• Lesson in FIN: +5 FIN / -5 MEM
  
• Lesson in Memory: -5 STR / +5 MEM

• Dragon +2 WIT -2 CON

• Thievery 1st → Sneaking 2nd

• Look out for gear with Warfare, Scoundrel, FIN or Wits, Belts have rare RNG rolls to have Dual-wielding opt on them so keep an eye out otherwise Critchance will do.
  
  
• For Daggers, keep an eye out for +Finesse +Dual Wielding or have a granted bonus ability Sawtooth Knife, preferably one with a rune slot.
  
  
• In Arx, use these uniques:
  

  Vo Charlen (Head): +5 FIN, +3 Wits, +1 Huntsman, +2 Con, +20% Water Resist, Immunity to Charmed & Terrified.
  
  Nazad Hunola (Chest): +5 FIN, +2 Scoundrel, +1 Huntsman.
  
  Last One Standing (Belt): +4 FIN, +5 Memory.
  
  Kallisteis Boots: +3 FIN, +2 Wits, +1 Scoundrel, Immunity to Knockdown & Crippled.
  
  Lord Ruaney Britches: +3 Wits, +2 Scoundrel, +6 Initiative.
  
  Domoh Domura (Dagger): +3 FIN, +2 Wits, +2 Scoundrel, +1 Dual-wield, +10% Critchance

• Amulet: Flame Rune (4/5/6% Critchance)
  
  
• Armour: Venom Rune (+7/9/11% Poison resistance)
  
  
• Weapon: Masterwork Rune (+9/11/13/15% Physical damage)

• Amulet: Mystical Flame (+1 Pyro)
  
  
• Armour: Power Venom (+2/3 Finesse)
  
  
• Weapon: Mystical Masterwork (+2/3 Wits)

• Helmet: +2 Finesse, +1 Huntsman
  
• Rings: +1 Scoundrel, +10% Poison Resistance

• Backlash: quick damaging gap closing skill with low cost, blink behind enemy target and backstab.
  
  
• Battle Stomp: pretty decent aoe radius in a straight line, dealing dmg and set knockdowns on enemies, also clear surfaces. (Can backstab!)
  
  
• Adrenaline: Gain 2 AP for this turn but lose 2 AP on the next turn (a tradeoff), use it when you need to confirm a kill to trigger Executioner talent or just simply want to finish off some high threat targets.
  
  
• Bull Horns/Rush: Bull Rush is a reliable tool both as a gap closer to position yourself behind enemy line and at the same time, an attack to hit multiple targets with good scaling. It also apply Bleeding and has 1 turn CD so you can hug your targets forever till they die.
  
  
• Battering Ram: Rush foward to your target, can use both as a gap closer as well as to set knockdown on your enemies and to position yourself behind enemy line for backstabs. (Can backstab!)
  
  
• Heart of Steel: grants decent amount of armour, also regen armour per turn for 3 rounds.
  
  
• Chicken Claw: turn vulnerable enemy into a Chicken for 2 turns, pretty much a Terrified version of physical CC. If character has Opportunist, they may get a free attack when the Chicken disengage from them.
  
  
• Rupture Tendons: Apply Rupture, target will take damage on movement, can combo into Chicklen Claw, forcing target to move on their turn.
  
  
• Teleportation: gather enemies close together.
  
  
• Whirlwind: a spinning attack, doing damage to nearby enemies. (Can backstab!)
  
  
• Uncanny Evasion: Grants you 90% dodge and cause weapon attacks to be ineffective, useful against weapon-user enemies.
  
  
• Cloak & Dagger: jumping skill for positioning use.

• Sleeping Arms: set Atrophy to disable weapon-user enemies from using their weapons for 2 turns.
  
  
• Sawtooth Knife: deal damage pierce to target HP, can combo with Skin Graft or ally Ranger's Marksman Fang to pick off enemies quickly without destroying their armors.
  
  
• Skin Graft: reset all cooldowns.
  
  
• Cloak: Hide and proctect character from enemies.
  
  
• Haste: +1 AP Start/Recovery, you can have other character buff it for the Rogue instead. Ignore if you go with the Glass Cannon route.

• Challenge: Mark an enemy, if the target dies within 2 turns then your character will receive bonus Armors and +20% Damage boost for a turn.
  
  
• Fan of Knives: Throw knives to every targets in range, useful as a powerful multiple targets from range, can combo into Skin Graft for double uses. It is also potentially powerful single target attack when cast it from onside while standing super close behind an enemy, making every dagger projectiles fly toward one target.
  
  
• Peace of Mind: Damage and Critchance boost.
  
  
• Apotheosis: reduces all source powers by -3 SP for 2 turns, meaning after Apotheosis is casted. You are free to use any source powers with no cost for the duration. It also provide a small stat boost on all attributes like Peace of Mind does.
  
  
• Mortal Blow: Strong single target attack, double damage if you are sneaking or invisible.Target is killed instantly below 20% HP.
  
  
• Flavor picking the rest: however you want.