I don't own Dragon ball or Justice League

KEY

"This is Gohan and Buu fight scene"
"This is the DBZ universe"
"This is the DC universe"

Stuck

"Look Goten! We are in space!" Shouted Trunks as soon as they appeared inside the watch tower.

"Awesome!" Shouted Goten.

A second later they were by the windows with their face against it. Batman was amazed at those kids' speed, he went back to the monitor and continued coordinating rescues and evacuations. J'ohn looked at the other new arrivals being cautious of Majin Buu. Waller was trying to come up with a plan to get some DNA from the kids.

Shouldn't be too hard. I don't have to worry about the Justice League since most of theme are down on earth – thought Waller. She began to slowly get closer to the distracted boys.

Gohan appeared in front of Buu and threw a punch to his face. Buu was send flying back with Gohan following him. Gohan disappeared to then appear in front of Buu in order to kick him to send him flying up. Gohan then send a powerful Ki blast that covered the sky, Goten and Trunks were enjoying the light show.

"Is that it?! Come on!" One of Amanda's agents shouted in disappointment but he was quickly quiet by the scowl on Amanda and Batman's faces.

"We should go down there to see if we can gather some of it's DNA" Whispered another agent to Waller. Before she could even consider it someone else spoke.

"It's not over yet. Majun Buu can't be defeated that easily." The supreme Kai said.

"Goten! Please wake up Piccolo!" Shouted Gohan. He then put his hands to his sides and his body began to get a blue glow around.

Goten appeared on top of Piccolo and dropped on top of his stomach while shouting his name. Piccolo woke up with a gasp.

"Damn it brat!" Shouted Piccolo while stopped Goten from trying to continue his assault. Vegeta stood up too, Buu for some reason stayed asleep. Trunks was poking him with a stick that he somehow had with him.

"Piccolo! It's time for Buu's containment plan!" Gohan said. "J'ohn, please transport Piccolo to the meadow where you guys found me. My training room is there."

Piccolo smirked as he saw the green alien, that he assumed was J'ohn, run to the control panel and input the coordinates. A new screen showed Piccolo appearing in front of a dome.

"What is this containment plan?" Batman asked looking at the robots floating in front of him.

"It's really simple. After the Supreme kai gave Gohan an estimate of how powerful Buu was, he knew that the planet won't be able to handle a fight between them. So, we created his training room. It's actually something like a door to another dimension, we are just geniuses!" Bulma said with smile. Dende besides her cough. Bulma's smile fell but then she rolled her then looked directly at Dende, "Alright we couldn't have done it without you."

Bulma then smirked and continued. "Gohan and I have been discussing it and even though I only wanted to give you 12% of the credit we settle for 15%. Gohan is just too nice! Anyway, Gohan hasn't told me how he did it but in this dimension there are also planets. It's really beautiful, too bad he uses it for training. Well, we did make it so that everything would go back to normal when he leaves the training room. The plan is that Gohan will take Buu there, so they are able to fight without Gohan having to worry of causing any damage to the planet and the people living there."

"Look!" An agent shouted while pointing at a screen showing pink smoke starting to become pink mass.

As soon as Buu took form he raised a finger and pointed to Gohan and gave an evil laugh.

"He is so creepy!" Commented Trunks with a shiver.

Buu then disappeared from view.

"Where did he go!" Shouted Goten.

"Wow! He is fast!" Shouted Trunks.

Batman was glad it wasn't just them not able to follow the speed.

"HA!" Gohan yelled while he threw his hands forward. The blue aura around Gohan disappeared and reappeared around Buu stopping him in mid fly. Gohan then appeared besides Buu and putting his hand on Buu's back they both disappeared.

The main screen quickly switched to show Piccolo floating above the dome, which had the top open. Gohan appeared with Buu not too far from Piccolo.

"Thank you! Piccolo!" Gohan said with a smile. Gohan gave Buu a punch that send him flying inside the dome. "Computer! Lock the training room after me and don't open until I say so!"

The dome close after Gohan went in. Piccolo was transported back to the watchtower along with him the other Justice League members stated to get back from the rescue mission. They had done all they could. Superman and Wonder Woman were doing a last check with all the major affected areas.

"Thankfully Gohan wanted to be able to review his training sessions. So, we should be able to view what is going on inside." Bulma said while she gave J'ohn instructions on how to use Gohan's communicator to link to the training room surveillance.

The screen switched to show Gohan holding Buu's antenna holding him in place while he kept punching him. Buu's antenna grew longer to wrap itself around Gohan's throat. Buu then used it to headbutt with Gohan multiple times. Then Buu threw a kick that hit Gohan in the shin and send him flying back. Kid Buu and Gohan then continue their fight with multiple punches and kick being exchange. Gohan then threw a powerful Ki destroyed Buu's body, what was left then because smaller versions of Buu. They then flew toward Gohan cover him around throwing punches and kicks.

"HA" Gohan used his Ki to destroy the mini Buu replicas.

"Pikkaboo!" Buu said as soon as he regenerated.

"Is he just playing?" Shouted John in anger. "Why is Gohan smirking? Buu caused thousands of deaths and they are just taking this as a game!" John shouted furiously. He wasn't alone in that sentiment.

"I get the feeling that you aren't taking this serious." Gohan said. Buu only laugh as a respond. "Well, then! let's continue."

"Gohan has accepted that it's in his blood. Even if he is only half Saiyan. We Saiyan's would always enjoys a good battle." Vegeta said with a smirk. Vegeta was glad Gohan had finally accepted that it was in his blood to fight, even if Gohan's reason was because he wanted to protect all those weaklings.

"It should be ok. This is after all the contingency plan, Buu won't be able to harm anyone else since they are inside Gohan's training room." Bulma said with a smile.

"He must be really relieved that he won't have to worry about the evil energy he always felt around Buu." Piccolo said with a smirk.

Gohan and Buu disappeared from view and keep reappearing at random places with Gohan or Buu landing a hit against the other.

"Get him Gohan!" "Yeah Bother!" Trunks and Goten cheered.

"Are you able to follow the fight?" Green Arrow asked Flash.

"Yeah but the agilities they are using would make it hard for speed to be an advantage for me. Look at all the destruction their fight has cause!" Flash reply, he knew there wasn't a possible way the league could have win against Buu.

Buu appeared on the ground, he raised his hands over his head and looking up with a look of concentration on his face. As pink sparkles appeared in between his palms and a ball of energy which quickly appeared and Buu made bigger with an evil smirk on his face. Gohan threw a Ki blast that stopped in front of Buu and flew up into Buu's Ki ball and it seems to cause the Ki ball to get even bigger. Buu threw his hands forward, the Ki ball flew straight towards Gohan. Gohan used his Ki to deflect the attack and making it avoid him. Judging by the way Buu laugh made Gohan think that the attack wasn't over. Looking up Gohan was able to avoid the attack that Buu that would have sent him crashing toward the planet's core. Everything started to shake aroid them, earthquakes were going on all around the world.

Majin Buu gave an evil laugh that gave all that were watching chills.

"I bet you were expecting that attack to destroy the planet." Gohan said. "I must say I was amazed when this planet was able to handle me at full power. I bet the Supreme Kai is happy to somehow ruin your plan."

"What does he mean?" Bulma asked looking at Shin.

"I was the one that created all those planets in that dimension" Shin responded not able to avoid the question.

"WHAT!" Everyone shouted.

"So how can you create planets?" Batman asked as he looked at Shin with his eyes narrowed.

"Yes" Shin with a small smile his eyes never focused on the screen showing the fight. He was trying to ignore that everyone's eyes were on.

"Wow, I hope I didn't miss interesting." Wonder Women said as she, Superman, Lois and Jimmy appeared and looked to the screen showing the fight.

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Thought?

In need of Beta reader