Rex was looking at the screen with wide eyes. What he was waiting for was finally here. He can sense new energy flowing within him. Not only that but he can make this energy to make new nanites without any cost.
'Is that spiral force?' Rex thought.
"Hey, are you okay?" Kyoka shook him.
"Uh? Yeah." Rex said. 'First I need to get out of this situation.' He thought then stood up and made the hoverbike. "Hope on!" He said to Momo and Kyoka.
They nodded and sat behind him. He threw Kaminari on the trunk and binds him with metal wire.
"Ready?" Rex asked and both of them nodded. He felt ribs on his backs instead of two bouncy balloons. He saw Kyoka who was hugging him while Momo was sitting behind her.
"Do you have a problem?" Kyoka asked with some annoyance. She could tell where Rex was looking and it pissed her a little.
"No. Just thinking that flat has its own charm compared to a house," Rex said then started the hoverbike towards the position of his teacher.
---
Rex arrived at a distance and was able to detect Midoriya, Asui, and Uraraka who were very close to the position where Aizawa and the rest of the villains were fighting but good thing was that he was only observing the battle.
'This idiot… but he at least didn't jump to the action.' Rex thought and stopped his hoverbike behind a hill.
He nodded at Momo and Kyoka who silently get off and take Kaminari from the trunk of the bike. He then deformed the bike and sat silently to observe the situation.
"Don't make any sound." He said to two girls and nodded. He wore his mask and his magnifying function to observe the situation.
'Crap, the situation is worse. They are more dangerous than I thought.' Rex gritted his teeth. He knew that the guy with many hands was silently observing the situation while Aizawa was fighting the mobs. He looked at the black giant bird-like creature whose brain was visible and widened his eyes.
'The hell? He has no aura but I could feel that he is strong. A homunculus? But that leader is… young.' Rex thought then looked at fog man Kurogiri who was fighting 13 and other classmates.
"Hey… where are we…?" Kaminari came to his mind.
"Hey, I have a plan. You guys should go silently to 13'sposition and help her. Momo, that foggy guy must have a sold material somewhere so strike that. Kaminari, here take this." Rex gave Kaminari the gun attached with wire. "Use this gun to shock anyone on distance. Make sure to not come to cross any villain. Kyoka, use your quirk to remain alert." Rex gave orders to all of them who nodded.
"Where are you going?" Kyoka asked with concern.
"Aizawa-sensei is in grave danger. I have to help him to halt the situation till All Might arrives." Rex said but felt a tug on his shirt.
"Be safe," Kyoka said with concern. Momo and Kaminari had the same expression.
Rex knew that handy guy Shigaraki must have already noticed Midoriya and others. He wanted to smack Midoriya to come this close to fight with his backlash quirk but he can't afford that.
---
Huff huff*
Aizawa finished another villain with his disintegrated arm and was heavily breathing.
"Ah look at you. You are still standing. You really are so cool!" Tomura said expanding his arms, "Oh by the way hero, I am not the final boss."
Aizawa turned around to see a big vicious bird-like creature that raised his hand and crushed Aizawa on the ground.
Splash*
Blood started to flow from Aizawa's head.
"He is bio-engineered and a symbol of peace. We call him Nomu." Tomura explained his friend like a good villain.
Roar*
Nomu roared viciously and grabbed the head of Aizawa who tried to use his erase quirk but before he could finish Aizawa-
Slash* Boom* Splash*
Nomu's arm along with his left side was cut wide by a blue blade, smashing into the ground.
"Rex!" Aizawa called the person responsible for saving him.
Bam*
Rex kicked Nomu using Punk Buster boot and sent the half Nomu flying to some distance.
"What!" Tomura widened his eyes. He didn't know that there could be someone who could hurt Nomu other than All Might.
Rex then grabbed Aizawa from his Smack hand and asked, "Sensei, you need to run. That thing seems like a homunculus and has a similar strength to All Might."
"Wh-at…? And what could you do…?" Aizawa asked with a huffing voice and his face bleeding.
"I can deal with that thing," Rex said and formed Big Battle Sword.
"Wait-"
"Midoriya! Take Aizawa and everyone from here now!" Rex said and threw Aizawa towards Midoriya's position.
"Ha?" Midoriya panicked but was able to catch Aizawa on time.
"AND NO QUESTIONS OR I WILL KILL YOU, MIDORIYA!!" Rex roared at Midoriya who felt a chill ran down his spine. He nodded and asked Asui and Uraraka for help.
"Oh, so you are the one with brains. You are Rex Kinzoku famous for 'giant mechanical incident' correct?" Tomura asked scratching his neck.
Rex sighed. He knew from the way Tomura acting that he was good at analyzing but still immature.
"I am, Shigaraki-san. By the way, can you tell me who your sugar daddy is? I don't think a person like you have enough brains to make that toy." Rex said pointing at Nomu who seemed to start regenerating. "Oh, so that's what is going to kill All Might? Your sugar daddy must be thinking so lowly of All Might or he knows one of his weakness."
"What! Huff* you dare to mock me!? I will kill you!" Tomura said and moved in very fast speed.
Rex smirked and raised his leg to kick Tomura.
"Fool!" Tomura said raised his hand to disintegrate Rex's leg by his quirk but Rex smirked as his leg formed Punk Buster and gave a solid kick to Tomura who was send flying to debris.
Rex then dodged a punched from Nomu which smashed the ground and slip from between his legs. He stood up and circuits start forming on his hand making a big giant ax glowing from the edge of the blades.
[Omega-1 Nanite builds]
[Omega Axes: They are big axes with energized blades with the following functions:
1 Blade can cut through steels like titanium or tungsten.
2 Energy emits from blades can stunt and stop regenerating abilities.
3 Energy consumption is based on nanites power of your body.]
"Well, he is not human so no use to let him live," Rex said and spin slicing Nomu in three parts horizontally.
*Splash*
"Phew, that was easy," Rex said as looked at Tomura who seems to have recovered.
"H-how? Nomu was created to kill All Might! How can a brat like you stop him!??" Tomura screamed and removed the hand from his face.
A dark fog formed around him who was called Kurogiri. "Tomura Shigaraki, the situation is out of hand. I sensed that heroes are coming and that boy was able to stop Nomu. We should leave." Kurogiri said.
"Leave? Who decided that?!" Both of them dodged a lightning-fast slash from Omega Axe but it was able to cut Tomura slightly.
"Guhh!" Tomura grunted in pain.
"Tell me the name of your baby sitter Tomura-kun?" Rex asked as he was slowly walking towards them.
"Fuck you! I will kill you-"
"I AM HERE!!" Rex was distracted from the voice of All Might. When Rex looked back he saw Kurogiri already taking Tomura away from his wrap ability.
"Shit!" Rex cursed and smashed the ground using Punk Busters and dashed at Tomura to grab him using Smack Hand. "I won't let you escape!" Rex screamed.
Shigaraki widened his eyes and knew that he won't be able to take Tomura away so he called a name, "EMIYA!!!"
Splash*
Time seems to stop as Rex's arm flew in the air with crimson blood following it. All Might who was coming towards Rex saw this. Bakugo and Kirishima who were arrived they saw this. Todoroki who also came after dealing with villains saw this. Midoriya, Aizawa, Uraraka, and Asui who were not far from there saw this. Momo, Kaminari, and Kyoka who were also keeping an eye on the fight saw this.
Time was stopped as Rex didn't know what just happened. He turned around to see a tall man under a red hood and red outfit who lowered his bow in his left hand and raised his right hand. A gun is formed on his right hand as he aimed at Rex.
"Bye."
*Fire* Splash*
A bullet came across Rex's left eye and pierced his skull with blood following it. Rex was not able to analyze what is happening in these milliseconds.
"If you survive then we will meet again." The man said.
Kurogiri was able to teleport Tomura away while the person name Emiya was able to stop Rex.
"Shit!" All Might clearly see what happened to Rex but before he could punch Emiya, he vanished.
All Might gritted his teeth and dashed towards Rex's position who was lying on the ground with blood flowing from him. All Might saw that Rex was looking up straight from his right eye. There is a hole where his left eye was supposed to be.
All Might took him in the embrace and asked, "Rex! Get a hold of yourself! Help will arrive and we will save you!" All Might covered his wound on his head with his hand.
Rex, who was somehow conscious, smiled slightly. "I… was… Rex..less…" Rex weakly said the joke.
"NO, YOU HAVE DONE A GOOD JOB, REX. STAY STILL, AND DON'T TALK!" All Might desperately said and carried Rex in his arms to take him to the hospital himself.
Rex smiled briefly before it faded away as he lost consciousness.
"Wake up Rex! REX!!!"
******
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