Originally Posted by
Puksi
In ridding the First of the surfeit of Light, the conditions for that shard being suitable for Rejoining were all but eliminated. Black Rose could still happen, but until the First was made ready again, they would not be able to rejoin it to the Source--if they tried it would fail and I think that would leave the First just a Light version of the Void. The act of Rejoining a Shard is what causes the Calamities, so in rendering the First unsuitable for Rejoining, we prevented the Calamity (for now, anyway).