User blog comment:EmpyreanSmoke/Supernatural Q&A (Closed)/@comment-89.204.130.80-20151114220942/@comment-24834479-20151115000616

The Darkness was completely weakened when beat back by God and the archangels, and bound by the mark. She needs the souls to heal and regain the power she lost, to get her back to full strength.

No, definitely not.