Fafnir (Marvel Comics) entities is stopped when Thor agrees to go to Hel's realm willingly. Fafnir later reappears in the 2011 limited series "Avengers Prime" in the aftermath of the "Siege" storyline as, at first, an adversary then ally of Thor, Tony Stark and Steve Rogers with several legions of ogres and elves in battle against a Twilight Sword wielding Hela and her army. Fafnir was originally a normal man until transformed by the properties of a magical pool into a large dragon. Fafnir retains his intellect and speech, possesses superhuman strength and durability, and the ability to breathe fire and cast illusions.
Monster Mythology that this book follows a similar format to 2nd edition "Legends and Lore", except that while that book dealt with nine historical and two fictional human cultures, "Monster Mythology" deals with nonhuman pantheons. Unlike the culture-specific gods in "Legends and Lore", the gods in this book are for any campaign setting. Approximately 26 of the deities found in "Monster Mythology" were previously found in the first edition "Deities and Demigods" book, while the majority did not. The introduction has several sections after the lead. Running Divine Beings provides notes for the Dungeon Master on how and when deities interact with