Bestest: Ragnarok
And that form is too easy to hax. Something a bit more secure would be nice.
ragnarok\Rag"na*rok"\, Ragnarok \Rag"na*r["o]k"\, n. [Icel., fr. regin, r["o]gn, gods + r["o]k reason, origin, history; confused with ragna-r["o]kr the twilight of the gods.] (Norse Myth.) The so-called ``Twilight of the Gods'' (called in German G[\"o]tterd[\"a]mmerung), the final destruction of the world in the great conflict between the [AE]sir (gods) on the one hand, and on the other, the gaints and the powers of Hel under the leadership of Loki (who is escaped from bondage).