I started the Ethereals story only to be disconnected from game. When I returned, I was teleported above the ocean to the south west of the Isle of Dorn. I fell from the sky into the water and died on the way from fatigue.
I released and flew back to my body to resurrect. I was able to mount and fly back to Dornogal.
Once back I notice all of my quests were locked and I was stuck in Lorewalker mode. The Lorewalker bar was missing and unable to be returned. I couldn’t speak to Lorewalker Cho.
I tried abandoning the Lorewalker quest but it changed nothing.
Entering a Delve ended it temporarily but I was put back into Lorewalker mode when hearthing back to Dornogal.
I was then able to speak to Lorewalker Cho and it put me back on his seat with the quest available. The Lorewalker bar returned when I accepted the quest again, so I was able to exit Lorewalker mode.