Blink

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Distortion Shield

When you choose this archetype at 3rd level, you can use a bonus action to focus the disturbances in space around your hand into a rippling energy disc.  The disc persists as though you were concentrating on a spell.  While the disc is active, you gain a +2 bonus to your AC, and you cannot wield weapons or manipulate other objects in that hand.

In addition, when you or a creature within 10 feet of you is targeted by a ranged attack, you can use a reaction to pull the projectile or spell toward your portal.  The attacker must make the attack with disadvantage, and if it misses, the projectile is pulled into your demiplane.  On you next turn, you can use your action to reverse the projectile and fire it back at the attacker.  Make a ranged weapon attack.  You are proficient in the attack, and if the attack hits, it deals additional force damage equal to you rogue level.

Palm Portal

Starting at 9th level, the tiny portal within you stabilizes, allowing you to use it with finesse.  You can use an action to touch a Medium or smaller object and spirit it away into a demiplane tied to you, that only you can access.

If another creature is wearing or carrying the object you want to take, you must use your action to hit the creature with an unarmed strike in order to take it.  You can use your Strength or Dexterity for this attack roll.  This attack deals no damage.

You can also use a bonus action to pull a small or smaller object up to 20 feet toward you.  If the object is less than 20 feet away from you, it flies into your empty hand.  If a creature or another object impedes its progress, the object stops harmlessly and falls to the ground.

As an action you can withdraw any object stored inside your demiplane, which can hold a weight no greater than you carrying capacity.  At 13th level in this class, its capacity doubles, and at 17th level, it doubles again.

Pocket Prison

Starting at 13th level, you can store a creature inside your demiplane.  You can target a medium or smaller creature the unarmed strike from Palm Portal and if it hits, the creature take 2d6 force damage and is pulled into your demiplane for the next minute, or until pull another creature inside.  While in the demiplane, the creature is unharmed and takes turns and actions as normal, but it is blinded and deafened until freed.

Singularity

Beginning at 17th  level, you are under the effects of the blink spell whenever you are conscious, unless you choose to suppress it.