Nightshade

You hone your skills in the in the art of the shadows. Bats, spiders and others love the feel of the shade, but not many rogues prefer to think of themselves as professional assassins, hitmen and infiltrators. But you are different. In addition to improving your pure stealth, you learn skills useful for evading being spotted, attacking in the shadows and masterclass intel gathering. The shadows will aid you in combat and help you remain unspotted.

Painful shiv

Starting at 3rd level, you can use the bonus action granted by your Cunning Action to make an extra attack roll. you may use dual wielding. if your weapon of choice has a modifier/magical aspect you may add to total damage, use your thieves’ tools to disarm a trap or open a lock, or take the action "Use an Object".

The Speech of the Dark

By the 3rd level you begin to understand the language in which the voices speak shadows speak in a lingual that fuel you in such a way and now Climbing is now a bonus action, and when you make a running jump, the distance you cover increases by your dexterity modifier rounded to the nearest 5 or 0 including your movement is increased by 1.5. effects only apply when in dim or darker light.

The Shadows Speak Louder

at 9th level the voice of The Shadows no longer talks. they yell making it harder to hear anything which means You now have advantage on a stealth check if you move no more than half your speed on the same turn. in addition, if The Speech of The Shadows is in effect you gain advantage even if you move more than half your speed. But The Shadows. they speak to loud, you gain disadvantage on any perception checks.

Granted abyssal Powers

By 13th level The Shadows have given up on inscription and have just granted you some power of the abyssal. you have learned about the workings of magic that you can improvise the use of items even when they are not intended for you thanks to The Shadow. You also ignore all class, race, and level requirements on the use of magic items due to gene mixing The Shadows have ritualized upon you. You also are not affected by difficult terrain when in combat as The Shadow in addition had given you freedom of movement.

Abyssal Reflexes

When you reach 17th level, your abyssal powers are enhanced to an innate strength have become adept at laying ambushes and quickly escaping danger. You can take two turns during the first round of any combat. then take your first turn at your normal initiative and your second turn at your initiative minus 5. You can’t use this feature when you are surprised.