Ragnarok
Ragnarok (rȧ"nȧ*rok") , noun
[Icelandic, from regin, rogn, gods + rok reason, origin, history; confused with ragna-rokr the twilight of the gods.]
(Norse Mythology) The so-called “Twilight of the Gods” (called in German Gotterdammerung), the final destruction of the world in the great conflict between the Aesir (gods) on the one hand, and on the other, the giants and the powers of Hel under the leadership of Loki (who is escaped from bondage).