The Spy

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Improvised Assassination

 If you sneak attack a creature within 5ft that presumed you were an ally before the attack the attack deals additional damage equal to your rogue level. In addition, when you perform a backstab you can choose to forgo damage to stun the target until the end of your next turn. 

Counter-Spy

You are able to see through the false forms of others. You gain 120ft of True Sight, allowing you to peer at a creature's true form.

Combat Mimicry

When a creature makes an attack within 5ft of you you can use your reaction to instantly mimic the appearance and voice of the creature, this magical disguise lasts one minute. In addition, if you are damaged by a spell that targets you of second level or lower, you can cast the same spell at the same level without expending a spell slot any time within the next minute.

Handy Disguise

You can apply a disguise using a Disguise kit in only one minute. Creatures are unable to perceive through your disguise via magical means, to do so they must succeed on an Insight check versus a DC equal to 8 plus your Disguise kit modifier.