A painting of this event, the darkest in a triptych by English painter John Martin, shows it occurri
A painting of this event, the darkest in a triptych by English painter John Martin, shows it occurring under black clouds.  Galileo Gall believes that this event will take place at the Canudos ranch in a novel which Antonio Conselheiro leads a cult in Brazil. Eschatology is the study of this event. Vishnu's avatar Kalki appears on a white horse at this event, whose namesake War titles a novel by Mario Vargas Llosa. In The Hollow Men, T. S. Eliot claimed this will happen "not with a bang but with a whimper." For Robert Frost, "Some say [this will happen] in fire / Some say in ice." For 10 points, identify this event which, in Norse mythology, occurs at Ragnarok.
A painting of this event, the darkest in a triptych by English painter John Martin, shows it occurring under black clouds.  
the end of the world as we know it [or Armageddon; or the apocalypse; or the end of Kali Yuga; accept any answer indicating the end of the human race; prompt on "The Great Day of His Wrath" or "Great Day of His Wrath" before "Galileo"; do NOT accept "Last Judgment"] 