User blog:Blomstar/Why God didn't use souls to beat Amara/Darkness ?

Might be stupid question, but this bothered me a lot.

Why God didn't use souls in Heaven to beat Amara ?

He told that last time he was able to beat Amara, because his four Archangels made Amara weak enough before he sent her to her prison.

When Castiel was powered by 30-40 millions purgatory souls he easily destroyed Archangel Ralphael. In Heaven there must be billions of souls.

This mean that God could powered up a lot of angels with Heaven's souls and those angels would been much stronger than Archangels.

With their help he surely would beat Amara again.