“What, will the line stretch out to th’ crack of doom?” (MacBeth, IV.i)
crack of doom, day of judgment, doomsday, Bloomsday
Ragnarök (Old Norse: “final destiny of the gods”)=death of Odin, Thor, Loki, Marvel comics; Ragnarökr or Ragnarökkr (”Twilight of the Gods”), Wagner’s Götterdämmerung, Nietzsche’s Götzen-Dämmerung
impending doom, Ides of March (here we’re back to Shakespeare), portent of evil, Eli’s Coming, Three Dog Night, On a Dark Night I Left My Silent House, Wings of Desire, über Berlin, übermensch (here we’re back to Nietzsche), Rilke, letter to Andreas-Salome “the nameless human doom”
it’s all doom, death, destruction, night, so “once more into the breach, dear friends” (Henry V, V.iii)