Adalmar
He was in a world of his own, between past and present, and so missed some of the exchanges between his companions.
He does notice Tanner starting to fly away.
Slowly getting up from his seat in the boat - it would not be a good time to fall off it - Adalmar calls out once after the Gondsman : "Tanner !"
SpoilerBusy times, here - it should be better in about a week.