Servants of The Crow

Shadows from the rooftops followed by shrill calls of a crow are the Servants of The Crow working in plain sight, masters of deception and assassination, this cult like group of rogues are an association of skilled assassins, taking any job, their only payment being anything they find on the corpse of their target. all that is scavenged is given to the crow, the mysterious figure head of the group. These bird obsessed killers follow the saying "Pick the corpse Clean", they wear a strange assortment of bird attire, wearing large skulls of prey birds, covered in war paint, their garb being crow feathers. 

You get an extended walk speed totaling to 45 feet, and a jump height of 10 feet. 

Master of Murder

Starting at the 6th level, your knowledge of deception and the art of the kill has given you an edge over your opponents, when in range of enemies that are surprised, have not yet taken a turn, or are unaware of your presence, you add an extra 1d8 to your sneak attack damage. 

You also gain proficiency with investigation and perception, better to find trophies for the Crow.

Master of mimicry

Once per long rest you are capable of mimicking the voice and behavior of one person you have met, this ability lasts for 20 minutes.

You also gain an additional 3 languages of your choice

Roof top Prowler

When you choose this archetype at 3rd level, you gain the ability to climb faster than normal; climbing no longer costs you extra movement.

In addition, when you make a running jump, the distance you cover increases by a number of feet equal to your Dexterity modifier.

Blending with the flock

Starting at 9th level, you have advantage on a Dexterity (Stealth) check if you move no more than half your speed on the same turn.

Take off

By 13th level, you have learned how to glide, and use a new harness to get ever closer to being a true servant of the crow. You have a gliding speed of 10 feet for every 5 feet down.

Master of improvising

When you reach 17th level, you have become adept at using your resources to your advantage, you know how to hit vital spots with crude weapons, you have advantage on attack rolls with improvised weapons and war-picks, as well as you deal an extra d4 of damage