The meaning of the word ‘berserk’ originates with the Viking berserkers, the fierce warriors who were known for battling in an uncontrollable, trance-like fury, and were alleged to be able to perform seemingly impossible super-human feats of strength.
In Norse mythology, Ragnarok is a series of apocalyptic events that will define the end of the world, where giants of frost and fire will together fight the gods in a final battle that will ultimately destroy the planet, submerging it under water