From publisher blurb: Elements of the Universe! Sci-fi and sci-fantasy campaigns have their own concept of the essential elemental forces of the universe, and they can blend with the elements of classic fantasy even as they extend beyond! Now your Starfinder heroes can unleash the power of air, earth, fire, and water, alongside the fundamental essences of aether and shadow with the Planar Form feat and the massive Planar Adept archetype, with a wealth of defenses, form masteries, and special maneuvers with over 50 power options from starfire, planar augment, and umbral shroud to living capacitor, aequeous undulance, and ethereal crush! Master the elements and become a master of the universe in this bonus-sized 20th issue of Stellar Options!