The cloaked character is Dark Dream and his little friend is called Tabor. Dark Dream is more powerful when it is dark so he wants to cause Eternal Darkness by magically causing an eclipse. Tabor is pointing out that Prince Adam is getting away.
different cels which where shots against a background for the the show.
I donated several cels including these two to The Toonseum, a cartoon and comic museum in Pittsburgh, Pennsylvania. They have a gallery named after He-Man producer Lou Scheimer. He is a Pittsburgh native.