This Masters of the Universe t-shirt shows He-Man ready for his next battle against Skeletor while riding the mighty Battle Cat. The shirt reads Hero of Eternia. When Prince Adam holds the Power Sword and says "by the power of Grayskull", he transforms into He-Man and Cringer transforms into Battle Cat. He-Man is the only man powerful enough to defend the secrets of Castle Grayskull, the mysterious fortress in Eternia.