Cataclysm is derived from the Greek (), 'down, against', and (), 'wash over, surge'. It may refer to: Common meanings Generally, any large-scale disaster Deluge (mythology) Doomsday event, see hypothetical risks to civilization, humans, and planet Earth A catastrophic natural event: List of geological phenomena earthquake, the result of a sudden release of energy in the Earth's crust that creates seismic waves volcanic eruption Video games World of Warcraft: Cataclysm, an expansion pack of Blizzard Entertainment's World of Warcraft Cataclysm: Dark Days Ahead, an open-source cross-platform roguelike video game Homeworld: Cataclysm, a stand-alone expansion, of the Homeworld space-based RTS franchise Books and comics Cataclysm (Dragonlance), a fictional event in the Dragonlance novels Batman: Cataclysm, a DC Comics crossover story arc featuring Batman Cataclysm: The Ultimates' Last Stand a 2013-2014 crossover storyline appearing in the Ultimate Marvel line of books Godzilla: Cataclysm - see Godzilla (comics)#IDW Publishing Other uses A special ability used by Cat Noir, a character in Miraculous: Tales of Ladybug & Cat Noir "Cataclysmic", a song by Joe Satriani from his album Shockwave Supernova See also Cataclysmic variable star, which irregularly increase in brightness by a large factor, then drop back down to a quiescent state (initially called novae) Ekpyrosis, a conflagration Eschatology