College of the supernatural

While many other bards use the power of love and creation, these folk harness the power of their souls to reach into the clutches of their souls. 

spirit connection

You can channel your spirit to talk to other spirits.
You can speak telepathically to anything within 120 ft of you. They can speak back if they have line of sight of you.
You additionally learn the speak with dead spell. Along with speak with plants and speak with animals.

These spells can all only be cast as rituals. 

Bonus Proficiencies

When you join the College of Lore at 3rd level, you gain proficiency with three skills of your choice.

spiritual harnessing

You gain a deeper connection with your soul and can cast new spells. 

You Learn the spiritual Weapon spell and cast it at will.

You learn the spirit guardian spell and can cast it once per long rest (5th level)

spirited words

Also once you reach 3rd level, you can channel your spirit to tear into the clutches of a targets soul. 

When you make an attack, As a bonus action you can use one roll of bardic inspiration to deal extra psychic damage equal to the roll. If this attack kills the target then the soul is trapped in the body for 1d4 days. Also, if the target has a wisdom score of 16 or higher. The player takes equal the amount of psychic damage.

possession

Starting at 14th level, You can harness your soul and force it into another being.
Once per Long rest you can roll 2 bardic inspiration dices and add the number together. The target must make a wisdom save equal to the sum of the 2 rolls. On a fail your soul is able to control the victim. If they try to break free they must retry the save. On a successful first save you take 4d12 psychic damage.