Dark Rift happened in 1997.
Dark Rift was created on 1997-07-10.
The phrase 'dark rift' escapes me. Can you rephrase the question please.
Koronis Rift happened in 1985.
Cosmic Rift happened in 2001.
the dark rift
you have to beat spacial rift. then shortly after voila!
It will be unlocked after you beat Palkia in Spacial Rift
miffed
it will split into three pieces
Dark Cloud happened in 2000.
Dark Millennium happened in 000.
Dark Colony happened in 1997.