While Paradise itself was destroyed, the regions dependent on it remained relatively intact save for a few unlucky ones.
This might be because the artificial realm was in a space-time domain of its own which served to block the neighboring regions from suffering crippling damage.
Originally intended to prevent any form of infiltration into Paradise, it ironically saved trillions of lives.
However, the living beings inside Paradise weren't lucky. Not a single one of them survived the catalsymic battle.
Varian recalled the few people he met there, especially Ingrid, that giant who was the captain of his town and sighed.
In his hands was a paper that contained a portrait of that man as well as bits of information that was confidential until yesterday.
<The 3rd Commander of Hell Faction>