Wylok was a world where Darth Malphas resided. 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 Sith Troopers to be loyal to krayt, but they were secretly loyal to Darth Malphas. After the Second Imperial Civil War Darth Malphas tricked Darth Nihl into summoning every remaining Sith Lords of the One Sith to Wylok to regroup and take back the galaxy with Darth Malphas's Sith troopers, but he killed Nihl and the rest. Malphas deserted the planet after the fall of the One sith.