Apocalyptic
Apocalyptic is from the word apocalypse, referring to the end of the world.
Apocalyptic may also refer to:

Apocalyptic literature, a genre of religious writing
Apocalyptic and post-apocalyptic fiction, a subgenre of science fiction, science fantasy or horror fiction involving global catastrophic risk
Apocalypticism, the belief that the end of time is near
Apocalyptic (album), a 2010 album by the Swedish death metal band Evocation
"Apocalyptic" (song), a 2015 song by the American hard rock band Halestorm

See also
Apocalypse (disambiguation)