Nightstalker

"Simpler minds will call you evil, pulling a bow out of pure darkness to tether your prey to become your next meal. You walk the line of chaos and peace using the chaos to serve the peace. Just remember that the power you wield is pure void, an absence of something, if your not careful it could consume you as it consumes your quarry."- The Figure of the Void

The void is realm of pure nothing, no sound, no light, and no hope. Those who find themselves staring into the void tend to go mad or become touched by shadow magic of the shadowfell. some very rare people can manipulate the void into weaponry. You are one such person, somehow you have come in contact with a Schism of the Void staring deeply and learning that hidden in the void is an ability to create a force to bend them to your will. You will learn many skills steeped into the void: Dodging with ease and disappearing into shadow, using your knowledge and understanding of the void to manipulate others, and even pulling a bow made of pure void to restrict your prey's movement. So go forth my children, go and eat enjoy the fruits of nothing.

Shadestep

Staring into the vast emptiness of the Void has taught you a great many things, not many things you understand but what you gained instantly was the ability to dodge quickly and choosing to fade into shadow. So pilgrim go and practice the arts you have learned and continue the enlightenment of nothing.

Starting at 3rd level when you take this archetype, as a part of your cunning action you can take the dodge action as a bonus action, Also if you take this action while engaged with a combatant, you can move up to 10ft of your movement and you become invisible until the beginning of your next turn. The Combatant can still make an attack of opportunity but is at a disadvantage due to take the dodge action. You can become invisible via this action once per short rest. 

Night's Predator

The Void you stared into has given you a new sense of existence, a sense of purpose.  You are now a hunter of the void, the ruler of night. So my intrepid Orion go and use your superiority of the night and hunt your beasts of burden. 

Starting at 3rd level, the void has made you the apex predator of the night. You gain Darkvision up to 60ft (If your race has Darkvision add it to the total.), you also have advantage on stealth checks made during nighttime. Any creature attempting to make a perception/Investigation check to find you at night is made at disadvantage.

Nocturnal Manipulation

Pictures are worth a thousand words, but words laced in magic of the Void are worth a thousand Pictures. Your understanding of the absence of matter and the truths of nothing can weave into the manipulating and will bending powers of the void. So go forth and entice the world to do your bidding.

Starting at 9th level, As an action you speak with the void laced in every syllable, speaking just a normal sentence to a person can enter their mind forcing them to make a Wisdom Saving Throw, on a failed save the target is Charmed/Frightened by you. The DC is determined by your Wisdom Ability Score. You can use this feature a number of times equal to your Wisdom Modifier (Minimum of one) and resets on a long rest. 

Shadowshot

You have reached the limit of what the void can teach you and you have mastered its tactics to call into other's mind and using its shadow to fade from existence. Now you are ready to manifest a weapon of pure void. It's Violet light pulsing like a heartbeat in your grasps, reaching into the void you pull back what other nightstalkers call a duskbow. 

Starting at 13th level, you can create a duskbow pulling back an arrow of pure Void,  As an action you pull into the void releasing an arrow of Void picking a point within 120ft is where the arrow lands it will implode into a blooming violet orb that radiates with tendrils. When a creature you deem enters the Orb's 20ft radial sphere, that creature must Make a Wisdom Saving Throw or be subjected to the will-breaking power of the Void. The creature is subjected to the rules of rough terrain. When a creature is caught inside the orbs radius a thick purple tendril connects to the creature siphoning it's physical being into the Hungry Abyss that is the Void. You can do this once per Long Rest.

DC= 8+ Wisdom Modifier+ Proficiency Bonus

Spectral Armory

"You've taken what I've taught you when you stared into my endless vacuum, taken my gifts and making them yours. You've mastered the skills of Stalking and Hunting those who the void wishes to know, you've taken my gifts and I've taught you well. Take this last knowledge that I can bequeath you. I will teach you how to pull any weapon out of my abyss. Go O' Sojourner Mine."-The Figure of the Void.

 Starting at 17th level, the Void has given you the last possible gift that it can give, mastering your ability to pull the duskbow to hinder your quarry but never really able to harm them yourself with the void. As a free action, through the use of your Shadowshot Charge you flex your will into the void and create a weapon of pure Ravenous Void. This weapon takes the form of whatever your will commands (Besides the Duskbow) and functions as your will sees fit. With your new hungry weapon you can make a single attack on a creature, the target must succeed on a Dexterity Saving Throw (DC= 8+Wisdom Modifier+ Proficiency Bonus) or take damage equal to your Sneak Attack damage in Necrotic Damage.