This is a follow-up/one-shot based on the fic I wrote here, which was based on the prompt by @ghostreblogging
I'm really having fun with Big Brother Danny AU~ big thanks to everyone taking the time to read it!
Daniel Fenton-Wayne had been with the family for a while now. To say that he was odd would be an injustice because he wasn't really. At least, not compared to the rest of the costume wearing vigilante family. Danny was a civilian, albeit a strange one. Danny and Damian were close in age, and everyone could tell that Danny wanted to be a good big brother; he'd never had the chance to before. The strangeness came in when Damian brandished his many weapons toward Danny, and he... caught him mid launch. Just snatched the little bird out of the air for a hug. Damian had thought he was putting up a fight, but it was clear that Danny wasn't struggling. He seemed so casually unbothered by Damian's behavior, but he was normal, ya know?
Damian sneers and waves his fork menacingly at Danny during dinner?
"He's fine! He's like, what, 10 years old?"
Damian growled that he was clearly 12 and threw himself over the table at him.
Damian threatens him with his swords?
"Nooooo! Don't discourage him! He might lose interest!" And even as the rest of the family assured him that that would be a good thing, he handed Damian the blade and asked if lessons were on the table so Damian could have a "competent sparring partner." He still tried to stab Danny after that.
As concerning as it always was when Damian tried to stab someone, they were all relieved that Daniel seemed to be able to handle the demon brat better than most. Eventually the baby bird would warm up to him and stop stabbing him so often, but until then, Danny could handle himself.
Let it be known that Damian did not have a favorite brother! They were all imbeciles with poor taste in humor and mediocre fighting skills. That being said, Danny did have a leg up over the others for inquiring about sword lessons to improve his fighting prowess, even if he was already surprisingly adequate for a civilian. Well, that and other things that Danny had admitted only to him in the months he'd been with the family. It was strange being the one he confided in, but he felt a sort of pride that, even though he'd tried to stab Daniel, he was still the one he went to when he needed to talk about stuff he hadn't told the others. So perhaps it wasn't that surprising that when he'd gotten in trouble, Danny was the one Damian called for.
Patrol that night had been boring and quiet. Too quiet. Way too quiet for Gotham, which meant that something bad was brewing. Batman had handed Robin off to Nightwing for the night while he poured over all the reports and data from the last few weeks to figure out what the rogues of Gotham could have planned. Nightwing was ashamed to say that the Joker had gotten the jump on them. He'd tied the two up, leaving their comms on so the rest of the bats could hear all of the terrible things Joker had planned for them. He included terrible reminders of how he'd murdered Jason and how he couldn't wait to pluck the wings from Batman's other birdies. Damian wanted to rip his throat out for that, but he was in no shape to fight. His family was in danger, so he called out to the only other person he trusted.
"DANIEL!" Damian screamed long and loud for his brother, the plea surging forth from deep in his chest. Dick looked horror stricken that his baby brother had called out for the one member of the family that wasn't a vigilante, painting a huge target on his back. But even as he could hear the commotion coming through the comms and see the panicked look on Dick's face, he called for Danny again. His brother would help. He would come!
The room's temperature dropped in an instant, their panting, panicked breaths fogging the air while the lights flickered. The Joker paused in his maniacal laughter to observe the Lazarus green pool forming on the ground between him and the birds. Frost and ice cracked through the concrete of the warehouse as a head of white hair with a crown of crystalline ice rose through the small pit and the Joker's veins flooded with dread at the too wide, too sharp smile on the thing's face.
"Don't worry, I'm here. You're safe," he cooed comfortingly back to Damian, his voice an otherworldly echo in the large space. "But you?" He gestured to the Joker with claw-like fingers. "Well, let's just say, I've been dĢµĢĢĢĶĢ¦Ģ©yĢ“ĢĶĶĢ§ĢŗiĢøĶĶĢŖĶnĢ¶ĶĶgĢµĢ¾ĶĶĢ» to get my hands on you."
It happened so fast that no one really knew if the Joker screamed or not. In one moment, the boy's body had morphed into a cloud of inky black scattered with what looked like honest to God stars that smothered the Joker, and in the next, he was gone. The being who, upon closer inspection, definitely looked like Danny if he had white hair and green eyes and was a literal Eldritch creature, was untying them with care.
"Danny?" Dick questioned. He acknowledged him with a quick nod before turning back to Damian, the one who had called.
"You came," the youngest mumbled.
"You called," Danny answered with a soft smile. "Did you think that I wouldn't?"
"No. I knew that you would. You're not incompetent like the others."
"You guys heard that, right? That was definitely a compliment!"
Damian huffed but sagged in relief once he and Dick were both untied.
"You- you're-" Dick stumbled over his words in astonishment. "Danny, you're a meta?"
"Technically, it's a medical condition, but details," he responded, waving off the rest of the question with a cheeky smile.
In Nightwing's ear Bruce asked to speak with Danny. He removed the earpiece and tapped Danny's arm with it, gesturing to his ear. The "meta" slid it on just in time to hear his adoptive father shout.
"We will be talking about this as soon as everyone gets home safe, am I understood!"
"Loud and clear, boss man!"
"Let it be known that I knew something was weird about Danny!" He heard Jason exclaim. "No offense man."
"None taken, my Revenant sibling mine."
"Where did the Joker even go?" Someone over the comms asked. Danny thought it was Steph.
"I sent him to clown jail. I hate clowns. I've literally never met one that hasn't tried to kill me or my family."
Upon learning that the Joker wasn't the first homicidal clown that their, before now, seemingly normal brother had met, the comms erupted into chaos. Danny tossed the earpiece back to Nightwing before whisking them away back to the cave under the manor. He had a lot of explaining to do.
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