Ranger Archetype: Spirit Rider (Patreon)

Spirit Rider rangers have a powerful bond with a  spirit from another plane which has been stuck in  the border ethereal for a long time waiting for its  next rider. Most rangers find their spirit mount  through exploring the ethereal plane (perhaps in  while dreaming) and by being chosen by the  spirit to be its rider. While bound together the  rider and spirit are one, traversing any terrain,  and some say if the bond is strong enough the  rider can even traverse the ethereal plane at will.  Most spirit riders bind themselves to a celestial  or fey mount but there are a few with dark hearts  that bind to a fiendish spirit and revel in riding  through the lower planes.

Art by Jorge Perez on Artstation.