Oath of Psionics is for paladins who learn the secrets of the mind and live to tell the tell, be it form surviving a mind flayer, or you born with psionics you posses the power to use them in alternative ways to harm not just your enemies body, but the mind as well.

Oath tentits 

Break down their egos

Show the truth of the mind

Don't let people trick the mind

Channel Divinity

When you take this oath at 3rd level, you gain the following two Channel Divinity options.

Mind Weapon. you can take one action to imbue one weapon with psionic abilities , using your Channel Divinity. For the next minute , all your attacks with this weapon deal an extra [roll]2d6[/roll] physic damage . The weapon also ignores resistances to piercing slashing and bludgeoning damage.

You can end this effect on your turn as part of any other action. If you are unconscious or forcefully disarmed. (You can put down the weapon and keep the link) 

Twist the mind. As an action, you present your holy symbol using your Channel Divinity. Each creature up to your charisma mod (minimum of one) that has over 6int that can see or hear you within 15 feet of you must make a Intelligence saving throw. If the creature fails its saving throw, it is paralyzed for one minute by you. It can repeat the save at the end of its turn snapping free of the metal hold if it passes. 

 

Oath Spells

You gain oath spells at the paladin levels listed.

Oath of the mind Spells

Aura of Psionic Potential

Starting at 7th level, you and friendly creatures within 10 feet of you  Deal extra Physic damage equal to your charisma modifier(Minimum of one) and have advantage on saving throws to being charmed.

At 18th level, the range of this aura increases to 30 feet.

Psionic connection

Beginning at 15th level, You can communicate telepathically within a range of 200ft and the creature can think back to you and you ignore verbal components on spells 

Psionic form

At 20th level, as an action, start floating For 1 minute, you have a hovering speed of 80ft

Whenever an enemy creature ends its turn in your paladin aura, the creature takes 3d10+your Charisma modifier physic damage and 

must make an intelligence saving throw or be stunned for one round.

Once you use this feature, you can’t use it again until you finish a long rest.