Daemons are the hellish spawn of the Dark Gods of Chaos and they exist only to corrupt and destroy.
They are the foot soldiers of Chaos, malicious entities whose very existence is anathema to the Mortal Realms.
Though each Chaos God is served by their own rival daemons, all put aside their differences to invade the Mortal Realms. Only the most courageous mortals can stand before such infernal hordes of magical creatures, and even they stand little chance.