Complex sentence: At that point, the mobiles evolve into their next stage of evolution, which include opposable thumbs and the ability to manipulate technology: her partner, Shade, is an evolved sandking himself.
Split into simpler sentences: At that point, the mobiles evolve into their next stage of evolution, which include opposable thumbs and the ability to manipulate technology. She reveals that her partner, Shade, is an evolved sandking himself.