kingdom come

Short definition from Wiktionary

Noun

1. 1
   The place that one will go to after one's death; the afterlife: Death; also, a state of complete annihilation.
2. 2
   The place that one will go to after one's death; the afterlife: Heaven or paradise.
3. 3
   The rule of God over the world in the future; especially, according to those believing in millenarianism, during a period of peace beginning with the second coming of Jesus Christ and lasting a millennium.
4. 4
   A future period of happiness, peace, prosperity, and/or great progress; a golden age that is approaching.