Re: A Question re "Trials and Tribble-ations"
Because whilst they might have been wandering the Galaxy, seeing one might not be that common. So masking Dax's spots made her less likely to stand out. They were supposed to be going for covert after all.
On the continent of wild endeavour in the mountains of solace and solitude there stood the citadel of the time lords, the oldest and most mighty race in the universe looking down on the galaxies below sworn never to interfere only to watch.