Thief
Lowly crooks doomed to a life of crime. Many naturally find themselves becoming criminals if they can't make ends meet. Specializing in a wide set of skills such as manipulation, stalking, and acrobatics. Unfortunately the Thieves luck and wit can only go as far as their mettle. Poor sods.

Attributes
+1 MND / -1 EGO

Skills
Deception, Dexterity, Intuition, Perception, Persuasion

Hit Die
D4

Sneak Attack (A)
If a Thief can sneak up on an opponent, they can strike a vital spot for extra damage.

This extra damage is an additional 1D6. With every stack, add another 1D6. Should the Thief score a Critical with a Sneak Attack, this extra damage is not multiplied. Ranged Attacks can count as Sneak Attacks.

With a weapon that deals non-lethal damage, a Thief can choose to make a Sneak Attack that deals non-lethal damage instead.
Knifeplay (A)
With every stack, a Thief may learn a new trick that they can apply to their Sneak Attacks. These may all stack with each other.

A complete listing of tricks can be found here: Tricks
Back Flip
As a Free Action, a Thief may perform a Back Flip to move 5 feet away only after attacking an enemy. This never triggers Attacks of Opportunity.
Cheap Trick
If you miss an attack against an opponent, any adjacent ally can attack the opponent as an immediate reaction.
Convincing Liar
Those who believe your lies are just as convincing as you when repeating the lie to someone else.
Easy
Gain advantage when attempting to feint an attack.
False Attacker
Whenever you attack a foe from Stealth, you can attempt a Deception Skillcheck before rolling damage to convince the foe that another source was the attacker.
Feather Step
Move at full speed when in Stealth, with an additional 10 feet.
Hairpin Trick
You may freely pick any lock or disarm any trap without tools with no penalty.
Heads up
When suceeding a Perception Skillcheck, all allies are sucessfully alerted.
Kleptomaniac
Stealing an item gives you one free point to put into any Skill. Getting caught will have you lose 3 Skill points from any Skills.
Roll
Once per turn, a Thief may perform a Roll to move 5 feet in any direction. Can have a vertical distance of 10 feet. This never triggers Attacks of Opportunity.
Spin Attack
Whenever you attack an enemy, you may freely position yourself anywhere within 10 feet of the opponent.
Uncanny Dodge
As a reaction to an attack, a Thief can choose to halve their damage taken. Uncanny Dodge can be used only if The Thief is wearing Light or no Armor. A helpless Thief does not gain the benefits of Uncanny Dodge.
Vigilant
Gain a +4 bonus to Perception checks when in Stealth. With every stack, this is increased by +2.
Whoops
If you miss an attack against an opponent, flip a coin. If you succeed and there is another potential target 5 feet adjacent from your opponent, you may instead land a the hit on them, guaranteed.