apocalyptism
pralaya
postapocalypse
apocalypt
apocalypst
apocalyptist
apocalyptician
apocalyptic
millenarian
apocalyptica
eschatologism
apocalypticist
tragedization
Armageddonism
ruinism
eco-apocalypse
phantasmagory
extinctionist
sinisterism
Horsemen of the Apocalypse
death/doom
red rider
sinking ship
internecion
Götterdämmerung
foredoom
apocalypticism
hot genocide
doomerism
black rider
monstrosity
angel of death
undeath
geno
doomsday
kingdom come
abyss
massacrist
holocausting
death knell
castrophony
white rider
utopist
utopiast
pale rider
heat death of the universe
cosy catastrophe