Rangers and their beast companions share a magical bond, one that transcends conventional magic and is part of their unique vocational abilities.
For instance, a ranger can summon their beast companion from a long distance using a special ritual without needing expertise in spatial magic, but this ritual can only be used to transport their own beast companions and nothing else.
Amberser didn't know how far apart he was from Naomi, he just knew that they could sense each other's presence.
Unfortunately, with the Dreamweave Barrier in place, Amberser couldn't directly summon Naomi. He could only use this method to let her know he had returned from the sea.
Amberser believed Katherine would find a way to contact him, as the Elf Queen was far more at liberty in this forest than he was.