Davissa was a dragonrider on the Far Western Continent late in the Second Interval and early in the Third Pass. She Impressed her dragon at Sky Weyr late in the Second Interval.
Davissa was one of the dragonriders who was tasked early in the Third Pass by Xhinna to go to the Dawn Sisters to look for Threadfall.
While on watch, they spotted thread just as it was blossoming - just when there was enough air to slow it down and enough air that it could be flamed into dust.