Author's notes: So, Dwayne 'the Rock' Johnson is officially Black Adam. Any opinions on that front? Should he, a user of a form of magic, be used here too?

And as I was asked to explore on the relationship between DC Universe and HP Universe in magical point of view, if there are still questions after this chapter, please let me know about them.

Magic from the Black Room in A.R.G.U.S.

A.R.G.U.S. Headquarter, Washington D.C.

''Director Waller!''

''Colonel Trevor,'' Amanda Waller said turning to the soldier in A.R.G.U.S. uniform and accompanied by MI5 agents from Cardiff, Superman, Wonder Woman and Cyborg, ''I don't know why you have allowed these people in here, but I informed MI5 that they would need to contact their foreign representative about-''

''You don't need to lecture them, Director,'' Colonel Steve Trevor said. ''And their visit is not about Dr. Noble. It it about the Black Room.''

Waller stood silent observing the people behind Colonel Trevor, including the look on Superman's face. She could see that he knew something and if they wanted to get into the Black Room that meant-

''Aurors Potter and Weasley,'' Waller said catching the two off guard, ''yes, I know magic exists and you two are currently standing next to a woman claiming to the be the daughter of Zeus.''

There was another silent moment, during which both Harry and Ron took a glance at Wonder Woman, before Waller continued.

''What is it that you need to see about the Black Room?''

''This,'' Cyborg said rising his arm to project a hologram of a three eyed skull. ''The assailant that attacked Bruce Wayne two days ago was a member of a Death Eater cult that was taken out in '98. This image was on a tooth filling Batman found in the assassin's mouth and it resembles the original Death Eater's Dark Mark and something I know you have closed inside the Black Room.''

''It does look familiar,'' Waller said putting on glasses hanging on his neck and looked at the hologram. ''Follow me.''

Batcave

''And that's it,'' Batman said making the cadaver descend back down to the cooler. ''Nothing new but the tooth filling.''

''What would have been on that ''list of things you can find in a dead body'' you told me about?'' Zatanna asked playfully.

''Do I look like have a week?'' Batman said tired sitting down to his chair.

''No, you look like you need sleep,'' Zatanna said moving closer to Batman.

''I have work to do,'' Batman said removing his mask and bet towards the Bat-Computer.

''You do realize I can make you sleep just by speaking backwards,'' Zatanna said looking at the tiredness in Bruce's eyes.

''And you realize I can make you mute with a three finger nerve pinch?''

''ECURB ENYAW,'' Zatanna begun casting a spell, but had to dodge the incoming nerve pinch, ''PEELS!''

Bruce's head fell down as he fell asleep on the chair. Zatanna silently apologized to him with a kiss on his forehead before calling Alfred down to the cave and help her carry Bruce up to his room. With the state of sleep deprive Bruce was in, even two or three hours were enough to gather more strength to be active as Batman and be valuable to the Justice League.

''He is not going to be happy about this when he wakes up,'' Zatanna acknowledged as Alfred returned to the cave. ''I really don't want to be on his bad side.''

''Don't worry, Ms. Zatara. He will appreciate it,'' Alfred said bringing sleep attire with him. ''Even if he is too proud to admit it.''

A.R.G.U.S. That stood for Advanced Research Group Uniting Superhumans. Official story that the public knew was that they were the Justice League's liaison with US Government and some times the clean up crew. The main contact person between A.R.G.U.S. and the Justice League was Colonel Steve Trevor, who had also been Wonder Woman's contact to 'Man's World'.

Harry and Ron looked around the hallways as they were lead through them by Director Amanda Waller, who made them think she could have actually make Umbridge cry in the corner with her cold behavior.

''Director Waller,'' Harry asked Waller as she lead them through the hallways of A.R.G.U.S, ''how do you know about magic's existence?''

''What I'm about to tell you, is not leaving this room and I don't care what your superiors have to say about it. Memory charms are especially considered as an act of war,'' Waller told leading them to a sealed room. ''In mid 1990s, the Prime Minister of Britain made complains about a suspicious portrait in his office in Downing Street and some post-Cold War espionage led A.R.G.U.S to your Minister Fudge. That confirmed multiple leads we already had, including the contents of the Black Room.''

''This isn't the Black Room, I assume?'' Ron said questioning where they were.

''No, first we are discussing some confidential topics that I'm sure Colonel Trevor already knows of!'' Waller said with strict authority while looking at Colonel Trevor. ''The contents of the Black Room have been collected all around the world and none of them officially exist. IS THAT UNDERSTOOD!?''

''Understood,'' the League members and Aurors said with Trevor nodding obediently.

''Good, because disobeying this order is considered as an act of treason,'' Waller said in calm threatening voice. ''But since you are only interested in one artifact, I can loose the restraints with that.''

''May I ask why your organizations has gathered them in here?'' Harry asked. ''Or not contacted our government about everything you have?''

''NO, YOU MAY NOT!'' Waller shouted in a deep and silent voice. ''Your Magical Government is an unpredictable organization kept in our Possible Threat-lists and we like to treat those categories like the Soviets treated us in the Cold War.''

''How's that?'' Ron asked.

''They don't nuke us, we don't nuke them,'' Colonel Trevor answered. ''If someone from their side contacts us, let them know we don't want war, but are ready to fight one.''

''And I hope it doesn't come to that,'' Harry said reassuringly. ''Now, about that skull?''

Ministry of Magic, Auror Office, Interrogating Rooms

''THAT WASN'T MY BOMB!''

Blond man wearing a white shirt and red tie sat cuffed to the interrogation table in a dark room and showed he did not like where he was or how he was treated.

''OY! YOU BASTARDS HEAR ME!?''

''John Constantine, an exorcist'' Hermione Granger read from the name-tag taken from the man on another side of the glass. ''What was he doing here?''

''Claims to have been visiting the libraries, but was found threatening another visitor with a bomb,'' the Auror-guard said holding the suspect's jacket. ''No wand, but he doesn't strike to me as a muggle.''

''There are forms of wandless magic in the world,'' Hermione said, remembering back to a man named Jason Blood. ''It is considered to be the oldest and most advanced forms that takes dedication to learn. What do you recon was his dedication?''

''Dunno, but suppose the attitude came with it,'' the Auror-guard said as Constantine gave them 'the finger'.

''Who was the visitor he was said to be threatening?'' Hermione asked turning away from the glass. ''And where is that person?''

''He left, from what I heard, but I have his name here,'' the Auror-guard said looking up from a parchment. ''One Alfred Pennyworth, picking up some heirlooms.''

''What heirlooms?''

''This is your skull,'' Waller said after an A.R.G.U.S. worker had brought it in a lead box. ''One of our leading scientists, Doctor Thirteen, has been working with it and everything else in the Black Room, believing it isn't one of it's kind. He believes there is another skull like this one and the shape of it's back supports the theory.''

''You mean, Director, it's like one of those,'' Ron said recognizing the reference, ''Shiva's skulls from Indiana Jones?''

''Appropriate comparison, Auror Weasley,'' Waller said taking the skull out of the lead box.

It was the size of a human skull, but looked like it was made of gold and as expected had three eye holes. The back of the skull was, as Waller had said, shaped like a bookend so that you could put another skull against it.

''Besides it's design, Director Waller,'' Harry said looking at it, ''how can you tell it is a magical artifact?''

''I can answer that,'' Wonder Woman said lifting it up. ''This is not just a decorated skull. It is a box, holding a dangerous amounts of evil magic inside.''

''I can't see inside it,'' Superman said looking at the skull with the glare he usually had when he used his vision powers, ''but I can hear silent... humming coming from it.''

''And there is another one out there somewhere?'' Harry said cautioned. ''But wait, this was about the Death Eater that attacked Bruce Wayne and a tooth filling from his mouth lead us to this skull. How do they connect with each other?''

''It's a horcrux,'' Ron suggested, making everyone turn to look at him. ''Think about it. You said it has evil magic inside and Superman just said he can hear voices from inside.''

''If it is a horcrux,'' Superman said crossing his arms, ''whose horcrux could it be?''

''If by horcrux you are speaking of container for someone's soul, meant to extend that someone's life,'' Waller said with her hands crossed, ''that someone has to be more than thousands of years old.''

Cyborg extended his arm towards the skull and made a scan to confirm Waller's words. And Ron couldn't understand what he was looking at as watched Cyborg do it. His father, Arthur Weasley, had been obsessed about muggle technology all Ron's life and he assumed that if his father were to see Cyborg, this hybrid of a man and machinery, he would die a very happy man, considering his health.

''If there are two of these skulls, this and another one,'' Cyborg said after completing the scan, ''where could that other one be and what would happen if they were put together?''

The safe was filling with water. The binds had almost been loosed out. Few more seconds and the safe would be filled and Batman would drown. Now the arms were free and it was time to try get out of the safe. The belt, gloves and boots, places in the suit where the equipment were hidden in, had been taken off and opening the safe with bare hands was difficult. But far from impossible.

A the safe had already been almost entirely filled with water, opening the safe's door was easier, after the lock was busted. Now Batman just needed to swim up to the surface and get back into the battle. Getting out of the pool, there was no time to get his vision cleared out, so Batman just jumped of the roof and did a free-fall jump down the Wayne Tower, both hands holding a tight grip on his cape.

Then the Talon attacked him mid-air. Talon wearing a black cloak and a skull mask. Batman had no time to be bothered with the Talon/Death Eater, so he just grabbed him and pushed it to take the impact hitting ground and made a flip jump landing. But he had not landed in the streets of Gotham in front of Wayne Tower. This was a place Batman had been before, long time ago.

''MOTHER!'' Damian's voice called from another end of the dark hallway. ''CALL YOUR MONSTER OFF!''

''DAMIAN!'' Batman yelled as he begun to run down the familiar dark hallway towards his son. ''DAMIAN!''

The hallway seemed endless as Batman ran through it. As he ran he could hear the sounds of fighting and all the time he feared he wouldn't be able to get there in time. And as he forced his way through the door at the end of the hallway, Batman saw he was too late. The monster was standing next to the Veiled portal, holding Damian's dead body impaled to its large sword.

''AAARRGGGHHH!'' Batman shouted beaming the monster, that stepped into the Veiled portal and out of his reach.

Reaching to Damian's body, Batman took the ten year old's remains to his arms and held onto his son. With all the pain and despair he felt holding his son, he barely realized the woman stepping next to him.

''You caused this, beloved,'' Talia's voice said above him, but looking up Batman didn't see the face of the mother of his son. He saw the three eyed skull looking down on him. ''You know you could have prevented all this from happening.''

''AAAAHHH!'' Bruce Wayne screamed in horror as woke up from is nightmare in the master bedroom of Wayne Manor. ''AAAAHH!''

''Sir!''

''Bruce!?''

Alfred and Zatanna barged into the bedroom as Bruce threw the blanket of him and begun to reach for his morning-robe.

''It's not a Dark Mark,'' Bruce said pulling the string-belt of his morning-robe tight and got up. ''That skull is not a Dark Mark. I have seen it before.''

''What?'' Zatanna asked as Bruce walked past her and Alfred. ''Where, and when?''

''Ministry of Magic, Department of Mysteries,'' Bruce said walking the hallway to towards the study. ''Where Hawkman died.''

Cardiff Bay

The perimeter was still closed. There were still soldiers stationed there in a large tent holding all the paraphelia borrowed from LexCorp and packing them up. They were to be returned back in 12 hours and not to be left unattended.

''Imperio!''

A skinny old man in a purple shaded suit stepped into the tent and pointed his walking-stick at the soldiers, shooting beams at them from it.

''Imperio! Imperio! Imperio!''

The four soldiers hit by the beams suddenly turned on their comrades and shot everyone in sight dead as the old man took a bite of an apple.

''Fine job, gentlemen,'' the old man said after they were the only ones standing. ''Now-''biting the apple''-unpack some of this-''chewing the apple''-equipment and re-install it over-''swallowing the apple''-there.''

As the soldiers under the imperious curse begun to do as they were told, the old man picked up his bag and walked to the right spot.

''Rhonda, I believe I have less than an hour until the Auror Office notices the four Unforgivable Curses cast in their backyard,'' the old man said tapping his ear as he took out the jaded, three eyed skull out of his bag. ''How are things in the A.R.G.U.S-end?''

''I have eyes on the other skull, you were right, it was here,'' Rhonda's voice said thrilled put the skull on a tripod. ''There are also two Aurors here, with our mole in the Justice League.''

''Splendid!'' the old man responded gleefully and clapped his hands. ''The alarm will reach them, they will bring the skull to us and I can put them together. You know what that means?''

''Oh, I do!'' Rhonda replied joyfully in the old man's ear.

''Don't scream in my ear,'' old man grunted back to Rhonda. ''I'm not a young man anymore, and it draws attention.''

''Sorry,'' Rhonda apologized. ''I'll see you soon.''

Author's notes: I hope this chapter answered some questions about the Magical connections between DC Universe and HP Universe. And if it didn't, go ahead and ask more. Plotwise I can tell this, the bad guys will show up in the next chapter and the identity of the old man officially revealed.

Replies to reviews:

Wonderbee31: As I noted above, the bad guys will show up in the next chapter and when they hit, those three will have to work separated to help what remains of superheroes to save the world.

Exodus5: You didn't actually review last chapter, so this is actually a reply to a PM. Did you get any satisfying answers from this chapter? Is the relationship between DCU and HPU more clearer now? Because I understand what you meant about the leveled playing field in the first Story and the challenge of writing this one to be enjoyable and understandable is worth it when I can read how people react to it.