ragnarok (mythology)

In Norse mythology, Ragnarök is a series of events, including a great battle, foretelling the death of numerous great figures (including the gods Odin, Thor, Tyr, Freyr, Heimdall, and Loki, natural disasters, and the submersion of the world in water. After these events, the world will rise again, cleansed and fertile, the surviving and returning gods will meet and the world will be repopulated by two human survivors.