Wylok

Wylok, originally known as Medriaas, was the world of ruled by the Lord Emperor. It was a lush and fertile agricultural world on the far outskirts of the Galactic Empire. His master Darth Krayt sent him to Wylok to train his secret to be loyal to krayt, but they secretly loyal to Darth Malphas.

After the Second Imperial Civil War Darth Malphas tricked Darth Nihl into summoning every remaining Sith Lords of the to Wylok to regroup and take back the galaxy with Darth Malphas's Sith troopers, but he killed Nihl and brought them under his control, forcing them to participate in his ritual, which sucked all life and the Force itself from the planet. Wylok was rendered forever lifeless, and absent of the Force. Force sensitives and potentially every being touched by the Force who went to Wylok's surface, felt as if The Void was trying to rip them apart.