Eternia's Prince Adam discovers the power of Grayskull and transforms into He-Man, Master of the Universe. A reimagining of the classic animated series.Eternia's Prince Adam discovers the power of Grayskull and transforms into He-Man, Master of the Universe. A reimagining of the classic animated series.Eternia's Prince Adam discovers the power of Grayskull and transforms into He-Man, Master of the Universe. A reimagining of the classic animated series.