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Warriors that are trained not only in the ways of strength but also of the Mind
When you choose this archetype at 3rd level, you can create a blade of psionic energy to use in melee (created with a free action) and hurl bolts of psychic energy to harm your foes. You gain a ranged a ranged attack that you can use with the Attack action. The attack has a range of 30 feet. You are proficient with it, and you add your Intelligence modifier to its attack and damage rolls. It's damage is force, and it's damage die is a d8.
Shield of the Mind
At 7th level as reaction you can cast the shield spell to boost your defenses. You can use this feature a number to times equal to your Intelligence modifier. You regain this feature after a long rest.
Mind over Matter
At 10th level you may add 1/2 of your proficiency modifier to any Dexterity, Constitution, or Intelligence chick that doesn't already use your proficiency bonus.
At 15th level you can send out a wave of psionic energy that deals 5d6 force damage to enemies around you that fail an Intelligence saving throw. On a success they take half damage. You designate who is affected.
At 18th level you are better able to sense your enemies weak points. Increase your critical hit range to 19 or 20. You also gain Blindsight out to 30 feet.