The term "Demon King" often refers to a powerful antagonist in various forms of media, including literature, video games, and anime. This character typically embodies evil and chaos, ruling over demons or dark creatures. The Demon King is often portrayed as a formidable foe for heroes, possessing immense strength, magical abilities, and a desire for domination. In many stories, the Demon King serves as a catalyst for the hero's journey, prompting the protagonist to rise against evil. Examples of such characters can be found in works like Dungeons & Dragons, Final Fantasy, and Overlord. These narratives often explore themes of good versus evil, sacrifice, and redemption.