Soul Warden

Soul wardens are bridges between the world of the living and the world of the dead, they have abilities that allow them to make contact with the spirits of the dead

Expanded spell list

You get these spells when you choose this ranger archetype on 3rd level 

3rd level protection from evil and good, false life

5th level levitate, gentle repose

9th level phantom steed, gaseous form

13th level Death ward, confusion

17th level anti life shell, cloud kill

Medium

Starting when you choose this ranger archetype at level 3, you have the ability to see, hear, touch, and speak to the spirits of the dead

Shift between life and death

At 7th level, Your connection with the dead allows you to transport yourself and anyone or thing making contact with you between the worlds of the living and the dead, when your in the world of the dead you can move threw objects, float, and not be touched or seen by creatures that aren’t a Order of the Ghost Slayer Blood Hunter or another Spirit Warden Ranger in the living world but you can’t see any creature in the living world.

Soul Eater

At 11th level, Your powers allow you to absorb the spirits of the dead when touching them into your body, you can use a absorbed spirits to regain a spell slot, heal 1d10 +2 of you hit points, give +1 to spell rolls or spell damage, +1 to weapons attack rolls or weapon damage, and +1 to a roll as a bonus action

Control the dead

At 15th level, you gain the ability to make a spirit of the dead to roll a CR equal to the spirits wisdom score wisdom saving throw, if they fail they are under your complete control.