This is from the most recent incarnation of Masters of the Universe, not the Filmation one. I wasn't in the animation business yet when Filmation was in production on the original series.
Here the villains gather then react to something off-screen. We pan up a giant stone head to see He-Man standing atop it, backlit by the sun. He leaps down, and we pan up his heroic figure as he steels himself for battle.