Few The Lord of the Rings debates are as heated as who is more powerful when it comes to Morgoth vs. Sauron, but there would be a clear victor if Middle-earth's two greatest villains ever battled.

Instead, Sauron aligned himself with Morgoth, giving him incredible power, which allowed him to take a physical form. But wizards weren’t the only Maiar on Middle Earth. Apart from Sauron ...