The Psionic Barbarian is one who has great mental ability that is released in fits of rage to empower themselves and deal damage to their enemies.

Psionic Body

Beginning at Level 3 when you take this subclass, while raging the Barbarian may substitute their Intelligence for any roll that requires strength. Additionally while raging the barbarian may use a bonus action to Dash or Disengage. While raging the Barbarian is resistant to Psychic damage as well.

Psionic Lash

Beginning at level 3 when the Barbarian selects this subclass they gain the ability to add Psychic damage to their attacks while raging. A number of times equal to their proficiency modifier they may add 1d6 Psychic damage to a strike. All charges are regained upon short rest. The damage per use increases to 2d6 at 12th level.

Psionic Reinforcement

You reinforce your body with psionic energy.

Mental Armory

Starting at 10th level the Barbarian is never unarmed. They become able to conjure a weapon made of pure psychic energy to their hands. This weapon can be any weapon and they are automatically proficient with it. The conjured weapon last for one hour and its damage type is Psychic. This feature can be used once per short rest.

Raging Telekinesis

Beginning at 14th level your Psionic power grows to new heights. Once per short rest, as a bonus action, you can move to an unoccupied space that you can see within 30 feet. When you do so all creatures adjacent to the space must make an Intelligence saving throw equal to 8 + your proficiency modifier + your Intelligence Modifier. They then take 8d6 Psychic damage, half on a success. This feature can be used once per short rest.