The way of the Plane Shifter uses their Ki to travel and manipulate the planes to their will. One might see someone and in the next moment see them travel through a portal, or someone might be traveling the Abyss and see the plane shift and turn as they walk.

Plane Killer (Additional)

You gain 1 ki point whenever you kill a elemental, fey, fiend or celestial monster. If you already have max ki points, you instead are able to do one unarmed strike as a free action on your next turn.

Summoning of the Planes.

You channel a creature of the planes to command it. You spend 1 Ki point to summon a monster that is a celestial, fey, fiend or elemental that is a Cr of 1 or lower. The monster lasts for 3 hours unless you dismiss it beforehand, in which it goes back to its home plane. if you fail to dismiss the monster before the three hours end, the monster stays but you no longer control it.  Once you go to 5th level the monster can be Cr 2, and 7th level Cr 3 and so on. This caps out at Cr 5.

Resistant to Other Planer Entities

You have gained familiarity to the other planes and their creatures. You are immune to effects that move you to a different plane unwillingly, and with the use of 1 ki point, you can take 1d10 less damage from an attack made by a creature from that is not in its native plane.

Dimensional Travel

You have learned the in's and out's of the planes and can travel to them at will. 3 times per long rest you can cast plane shift on you and up to 5 other creatures, And 4 times per long rest you can cast Banishment on one creature.

Master of the Planes

You have learned much about the planes and can manipulate them to your will. When in a plane other than your home plane you can move or change the shape of any object or terrain native to that plane within 60 ft of you.