Star Wars: The High Republic Adventures--The Nameless Terror #1
Even in the shining light of the High Republic, there are shadows lurking in the galaxy.
A Jedi mission to the planet Dalna suddenly comes under attack by unknown assailants. As the knights retreat to an ancient structure, it quickly becomes clear that they are far from safe.
Something evil stalks the ruins, a ruthless predator, an unknown terror, a Nameless Fear!