Skeletor is not only He-man’s greatest nemesis, he is also a powerful entity in the world of Eternia. He has limitless powers that include shooting energy beams and ice beams, teleportation, illusionist, the power to open portals to other dimensions and is familiar with every magical artifact.
Evil-Lyn like the Sorceress is a very powerful witch who sticks to the dark side because she just likes being evil and powerful. Her powers include the ability to shoot energy beams from her eyes and hands, the power to transform other people into animals or stone and the power to transfigure herself into the element of fire. She is also a mistress of disguise and wields a magical scepter that gives her magical powers.