Shadow Walker

The Shadow Walker can access the shadows of those near him using them to teleport around the room and allowing him to create distractions or spark critical hits.

Shadow Stalk

As a bonus action Shadow Walkers can  travel to shadows within 30 ft (increases by 5 ft at 9th 13th and 17th levels) of themselves if they are hidden from the target before hand they end up behind them and are allowed to sneak attack as an action if they are not hidden they end up wherever the largest portion of the shadow would lay. This bonus action can be used once for every point of proficiency they have per long rest.

Devour Shadows

Once per long rest Shadow Walkers are allowed to consume all shadows in the room disabling all abilities that use shadow or create darkness for 2 turns but allows them to auto crit if their next attack hits.

Quick Shadow

If Shadow Walker takes the hide action as a bonus action they can use their Shadow Stalker bonus action in quick succession without using a bonus action.

Frightening Presence

If a Shadow Walker is hidden in shadows they can create an aura of fear around them 15 ft radius adding disadvantage on perception checks in the area. if they use their shadow stalk feature anyone within the aura at the location of teleport that is chosen by the shadow walker must make a DC 13 wisdom saving throw or be frightened. Can be used twice per long rest.

Melt into Shadows

Shadow Walkers become nearly invisible the second they enter shadows anyone who sees them enter this state must make a DC 15 Perception check or lose sight of the Shadow Walker. Anyone who didn't watch them enter must make a DC 20 perception check to acknowledge their presence. If the shadow walker uses shadow stalk in this state no matter if they are hidden from the target they will be treated as hidden. Bonus action can be used once per proficiency point per long rest.