Lord of the Rings: The Rings of Power returns next month for its third season. Prime Video unveiled a teaser earlier this year at San Diego Comic-Con, but we haven’t heard much about the new season otherwise. We now have the official full trailer, and it’s jam-packed with a rising Sauron, who is intent on conquering Middle-Earth with his army of Orcs—with the fractured opposition of elves, dwarves, and men scrambling to figure out how best to stop him…