The Second Coming

The Second Coming refers to the second coming of Jesus, which occurred at about the same time as The Thaw and led to the war on Earth in which the armies of Heaven and Hell battled for control of the planet, with Satan attempting to sway Astral Jilm to his cause. Of course once Satan realized that Big Jilm had no goals and desired only total soul rappage he began to see the war as one of mustering strength for a confrontation against this new Lucifer that not even God had created.
Eventually both realms realized that Astral Jilm could destroy literally anything and everything, and for just this moment both Heaven and Hell united to stand against this final foe. Both suffered horribly, with even Archangel Michael killed in the fighting and going to Super heaven(Otherwise known as Heaven II).
After the Final Battle Satan contemplated betraying his word and resuming the conflict, but when he realized that Earth would now have the aid of a united, if battered, Cosmic Federation and a fully empowered Visored One he thought better of it and returned to Hell with his forces.