- "Between skekUng the Garthim-Master and skekSil the Chamberlain there was bitter rivalry, for skekSil hoped his smiling poison and suspicious craft would lead him, not skekUng, to succeed to the Emperor's glory. Both were deceived."
The most well-known of all the Skeksis, Skeksil played a major role in The Dark Crystal. After the death of the emperor, his greed for power led to a challenge by the Garthim-Master, SkekUng the General, when he decided to crown himself the new self-appointed emperor. Without hesitation, SkekUng confronted SkekSil and issued the challenge for supremecy. The Chamberlain responded by declaring the challenge be a Trial By Stone. After the battle, the Chamberlain was outcast by the High Priest as punishment for losing to the new emperor, SkekUng.
Just as soon as the Chamberlain lost his place among the Skeksis, the remaining clan learned that the Gelfling, Jen, had escaped. As SkekSil saw it, this was his chance to prove himself to his fellow Skeksis. With the unauthorized help of the new emperor's Garthim, he traveled to the the home of Aughra, where the Garthim tracked the gelfling's location. After the Garthim demolished Aughra's home in an attempt to capture the gelfling, SkekSil plotted to lure Jen to the castle.
Later, as one of the Garthim attempts to capture Jen and his new companion Kira, SkekSil holds off the Garthim long enough for the Gelflings to escape. After the Gelflings find the ruins of their lost civilization and read the prophecy, SkekSil tries to convince them to go with him to the castle in order to "make peace" with the Skeksis.
The Gelflings reject the offer; however, after Jen and Kira sneak into the castle, SkekSil corners them and attempts to force them into going with him to the throne. As a last resort, Jen stabs the Chamberlain. Angered by this action, the Chamberlain tries to kill Jen by burying him in a pile of stones. While seemingly ending Jen's life, he grabs Kira and takes her to the throne to redeem himself and show his dedication to the emperor. After presenting his prize to the emperor, the Chamberlain is reinstated, and remains in favor until Jen heals the crystal, and the Mystics and Skeksis are reunited as urSkeks.
Pre-production notes for the film describe the Chamberlain as "resembling an overstuffed chair, with springs, sawdust, horsehair, webbing, sacking, and underfelt layered under a carapace of carved animal limbs and a collar like a headboard."