Rogue: Northern Ranger

The Northern Rangers a band of skeletal warriors that patrol the Deep North, using their skeletal bodies to their advantage in battle. The Northern Rangers often lie in wait, ambushing their opponents.

Trained Warriors

You gain proficiency with martial weapons and medium armor. You may sneak attack with any weapon as long as it lacks the heavy property. 

Pile of Bones

At 3rd level, if you lie prone completely still, you appear to be just a corpse to any observer. If you stand up on your turn, any enemy that can see you and was unaware you were actually a threat instantly gains the surprised condition, which is removed at the end of that creatures next turn. Once a creature is affected by this ability, they cannot be affected by it again for 24 hours. You can apply sneak attack to surprised creatures.

Adept Warriors

At 9th level, when you take the attack action on your turn, you can make another weapon attack as a bonus action.

Nightmare

At 13th level, when you attack a creature from stealth, they must make a wisdom saving throw, contested by your intimidation. If they fail, they are frightened of you until the end of their next turn. You can apply sneak attack to frightened creatures.

Dread

Beginning at 17th level, whenever you apply sneak attack to a frightened or surprised creature, you can make all the surprised or frightened creatures that can see you suffer psychic damage equal to half the damage of your sneak attack