Hey I meant to get this story out earlier. This is an open story and as such I have the prologue and a bit of the first part done. This story will be up for adoption following the first chapter being posted. If you are interested please PM me to discuss details as I have a general idea of how I would like to see this story progress.

AN: Takes place many years after the end of season 10 of Supernatural. Eric Kripke owns Supernatural, DC owns Justice League.

Betrayed

A lone figure stood by the broken gates of Heaven looking down at Earth, with a mixture of disdain, sadness and perhaps if one looked closely enough hope. The gates of Heaven once mighty and majestic were nothing more than twisted remains similar to how the Earth could now be described. With a sigh he turned away thinking of all that had happened … what had led to all of this.

FLASHBACK

With the release of the Darkness's, the world as he knew it ceased to exist. The Darkness an apt name. It spread across the land with seemingly no end in sight, or a way to combat it. For the first time in thousands of years, humanity was once again reminded that the world was not only inhabited by them. For the Darkness brought with it a resurgence and confidence in monsters not seen since their mother walked the Earth. With the reveal of monsters looting and random killings rose aggressively. Humans are afraid of what they don't understand, and in most cases that fear expresses itself in forms of violence. With crime on the rise the earths economy took a hit, millions became homeless overnight, and through all of this two brothers tried to find a way to stop it.

Within six months of the Darkness being released, the world witnessed the collapse of every nation's economy. Wars sprouted up overnight as human fought human, country against country looking for resources rather than combating the darkness as a unified front. With the death toll numbering in the tens of millions and hope at its lowest God, or Chuck as he was called finally stepped in. However, God alone would not be enough to combat the darkness, for the last time he had fought it, he had his lieutenants to help (the archangels). To help in this fight two brothers, Sam and Dean, and an angel Castiel were called upon. These two brothers with the aid of Castiel had fought bled and died numerous times to defend Earth. God imbued them with the powers of his two mightiest Archangels, Dean became the new Michael and Sam the new Lucifer. With Castiel being chosen to replace Gabriel.

With the help of these three and God the Darkness was finally beaten and pushed back … at a terrible cost. Earth, once a place that seven billion called home could only be described as a smoldering ruin. Once majestic forests were now nothing more than raging infernos, proud mountains were laid low until they resembled anthills. Once deep oceans were vast deserts of sand, cities that had once held millions of people lay in ruins, their twisted remains and charred out structures unfit for even rats to live in. Yet some hope remained, to the East a stretch of land remained that had somehow survived unscathed by the furious fighting and powers unleashed against the darkness. It was this place that the 20 million survivors of Earth had made their new home.

END FLASHBACK

Dean was weary there was no other word for it, it had taken them five years of furious fighting to finally seal away the Darkness, and in that time his anger at Chuck had only grown.

"He could have stepped in and stopped all of this." He thought angrily.

"He was omnipotent he could have stopped Rowena from ever casting the spell and taking away the Mark of Cain, but no he let it happen and now Earth was nothing more than a mass grave."

A figure interrupted his musings.

"Dean" a voice called.

Dean looked up to see his brother Sam, a flat look was all that Sam got in return.

"Chuck called a meeting to discuss our next steps" Dean gave a slow node before turning to regard Earth once again, before he disappeared with only the sound of wings being left in his wake.

Inside the MEN OF LETTERS Bunker

Dean, Sam and Castiel all sat at the table while Chuck began outlining the next phase in his plans.

"As you have been told the Darkness is too strong to destroy the most I can do is temporarily seal it away again – "

"You mean behind a mark, like you did to Lucifer" Cas' sombre tone broke through Chucks speech.

"Yes"

"Like hell" Dean all but yelled, "we all know what happened the last time you did something like that."

"There is no other way"

"Sure there is put that mark on a stone and cast it into the cage with Michael and Lucifer"

"It doesn't work like that Dean" Chuck explained. "A mark that powerful needs to be branded on a living sentient host, who is willing to bear the responsibility."

Silence pervaded the meeting.

Once again the anger that Dean felt at Chuck reared it's head.

"Why don't you brand yourself then", Dean all but snarled.

"I know your angry Dean, but the Darkness is just that, Darkness. Given enough time, it may be millions of years it will eventually start to affect me as well". Chuck responded with no small amount of bitterness.

A heavy silence hung in the air following Chuck's announcement.

"Take time to think on who will bear this responsibility, we will meet again tomorrow."

TIME SKIP

The following day the four once again met up.

"Have any of you thought who will bear the mark" Chuck questioned.

"I will do it."

All eyes turned in direction of the individual who had made that proclamation.

"Cas?"

"It is the least I can do Sam, Dean."

"NO, NO, NO. We've all seen that movie look what it did to Dean" Sam cried.

"Are you out of your mind" that was Dean.

"Out of the three of us, one of us will need to take the mark. We all know what it will do to each of us eventually".

"I can just as easily take the mark Cas". Sam replied.

"No you can't." Chuck voice answered.

"Sam think of all the people that died brutally, or were corrupted by the darkness, not all of those people will go to Heaven. Hell will need somebody who can be a strong ruler and keep those souls in check. With you holding the power of Lucifer that responsibility falls to you".

"There is no way in Hell you are sending my brother to keep demons in check." Was Dean venomous response upon hearing that.

Chuck continued on as if he didn't hear him.

"Dean, Heaven will need a new ruler that responsibility falls to you".

"Castiel is a logical choice."

A deep and troubled silence once again filled the room.

"I will leave you to say your goodbyes, while I prepare" Chuck stated before disappearing.

Dean and Sam walked over to Cas, "I guess this is goodbye for a while" Sam sullenly said.

"I'll be fine Sam. Dean only when the mark starts to affect me will I seal myself away."

Not wishing to prolong the suffering Sam took two massive strides over to Cas before engulfing him in a massive bear hug, whispering goodbye.

Sam looked at Dean and Cas. "I'm going to head down to hell. Find me when it's done." Were his final words before he flew away.

Dean and Cas were left standing awkwardly by each other.

"Cas you're really taking a bullet for us here."

"I am aware Dean".

Before anymore could be said Chuck reappeared.

"Are you ready" he asked turning to Castiel.

"I am".

"Then let us begin".

Seizing on Castiel's momentary distraction Dean delivered a powerful blow infused with his powers to the base of Castiels skull instantly knocking him out.

"What are you doing" Chuck spluttered.

"I'm taking the Mark" Dean retorted.

"Dean we all saw what the Mark did to you".

"Yeah that's why I'm the best person to take it".

"And what about rebuilding Heaven"

"Cas can do that he was already leady leading them he knows them far better than I"

"And you brother" Chuck questioned.

"He will understand"

"No Dean he won't."

"Chuck you doing this, this entire debacle is your fault you could have killed Rowena the moment she started the spell to remove the Mark from me. You didn't seven billion people now lie dead because of you inaction. You will give me the Mark."

There was silence following Dean's speech.

"Your right Dean I didn't stop Rowena and people died because of it, however, if Death and I ever agreed on anything it is that if one of you is in danger the other brother will do whatever it takes to save them. If I give you the Mark again and the Darkness overwhelms you you will be another Lucifer and your brother will not kill you."

With that said Dean felt a pain that he was familiar with looking down he say that the Mark had once again been branded to his arm.

"But you just sa-"

"I know what I said, you have the Mark but I am sending you away where it's influence will be lessened. I'm sorry Dean, with you wielding the Mark once more your brother will try to save you again, and the world will plunge into chaos. I'm sorry."

Before Dean could react he was engulfed in a burning White light, when it cleared Dean was gone.

Chuck with tears in his eyes turned to Cas before waking him and informing him of what had occurred, proclaiming him as the new ruler of Heaven before disappearing.

SPN/JL SPN/JL SPN/JL SPN/JL SPN/JL SPN/JL SPN/JL SPN/JL SPN/JL SPN/JL SPN/JL SPN/JL