Ashwatthama with Divine Gem

Create a captivating narrative exploring the mythological origins and extraordinary attributes of Ashwatthama, the legendary figure born with a divine gem on his forehead. Dive into the details of this gem's supernatural powers, granting Ashwatthama dominion over all living beings below humans and endowing him with immunity from hunger, thirst, fatigue, aging, diseases, weapons, and even the influence of deities. Craft a prompt that invites a vivid portrayal of Ashwatthama's invincibility and immortality, delving into the implications of such divine protection in the context of Hindu mythology.