Watchers

"'The Watchers about the castle walls have spotted them making their way down the northern bank.'" "—Ulf speaking to Ilnel" The Watchers were an order of specially-trained Löwa adept at hiding in shadows and sneaking about undetected.

They were said to be able toblend into their surroundings and appear like inanimate objects.

Appearance
Throughout The Sword and Its Servant, Watchers are never seen directly but are mentioned several times. It is speculated that Watchers in fact may have been present for numerous events and have actually been some of the inanimate objects in the scenery of certain places in the story.