Chapter Summary: An enraged Tadashi tries to go after Abigail and it ends with tragic results.

Disclaimer: I don't own Big Hero 6 and its characters.

Abigail took deep breathes to calm herself and continued as though nothing had happened.

"My father died in the fire he started at the showcase, but I used the microbots to escape from there," she told Tadashi. She remembered coming home after the fire and discovering what her dad had been doing in their basement. "... Afterwards, I became a criminal so I can carry out my father's last wish."

"I don't know exactly what you're trying to do, but it's over for you," Tadashi said. He's still holding the Kabuki mask which contained the neurotransmitter to control the microbots.

Abigail looked at him with a strange, dark smile on her face. She began to chuckle.

"Your brother was right, you do act like some big-shot hero."

Her words took Tadashi by surprise. Even his friends were confused as they watched from a distance.

"Y-you know my brother Hiro?" he inquired. He vaguely remembered Callaghan mentioning his daughter being a botfighter to Hiro.

"Jeez, for a nerd who goes to nerd school, you are pretty stupid," Abigail snorted, rolling her eyes. She seemed to relish on the young man's reaction. "I'm not the only one who survived the explosion. Who do you think was helping me build more microbots?"

Tadashi stopped breathing and all his senses turned numb. He wondered if he was hearing things but Abigail's expression confirmed it.

"You mean... Hiro is still alive?" he asked, choking up. A tear roll down his face. His kid brother, who he thought died in the fire, was still alive and was probably waiting for Tadashi to rescue him.

"Yeah, I saved him too before I kidnapped."

Then, Abigail shook her head. "However, he died not so long. Died from a broken heart because you weren't able to find him in time."

Her hand reached deep inside into her trench coat and pulled out a familiar baseball cap, and it landed in front of Tadashi's feet.

"Your brother was holding on to it, even to his last breath," she told him. Her voice, despite sweet to the ears, was laced with malice. "You should have hear him begging for you to save him." Then she began to put on a mocking, boyish voice and placed the back of her hand against her forehead, pretending to act like a distressed person. "Tadashi, where are you? Tadashi, you said you're not giving up on me. Tadashiiii..."

Tadashi felt as though he was fall into a dark abyss. His body began to tremble and he was seeing red. An inhuman cry escaped from his throat. He dropped the mask and hurl himself at Abigail, pushing her violently against a wall and his hands clutching her shoulders in a claw-like grip.

"Tadashi, no!" Wasabi screeched. He and the others rushed over to him.

"You're lying to me! Tell me where my brother is!" Tadashi yelled at Abigail. Hatred began to burn inside him, he couldn't think straight. His pulls back one hand and his glove began to emit electrical sparks. "You have ten seconds to let me know where he is or I'll fry your face off!"

Abigail wasn't intimidated. "Go ahead," she egged him on. "But it'll never bring the dead back anyway."

Enraged, Tadashi was about to land a deadly blow when one of Gogo's discs hit his hand, breaking the electrical glove. Then he was pulled back by Wasabi and Fred while Abigail quickly ran away before anyone grabbed her.

"Let me go! This is personal!" Tadashi screamed at them, struggling to pull away.

"Tadashi, this isn't what we signed up!" Fred protested.

"SHE KILLED MY BROTHER!"

Gogo and Honey tried to go after Abigail before the criminal can reach for her Kabuki mask. However, Abigail took out a metallic bomb and threw it at ground near the superhero team's feet.

"Look out!" Gogo yelled as she and Honey tried to push the others away from the bomb.

It detonated and giant flash of light blinded the group.

"This is a flash bomb!" Honey yelled.

Abigail immediately grabbed her mask and put it on. She felt the microbots gathering around her and lifted her away further from the group when the flashing light died down. Tadashi tried to adjust his eyes but he thought he saw Abigail getting away. He cannot allow that. While Wasabi and Fred tried to control him, Tadashi noticed Abigail tearing a piece of giant concrete from the walls and tossed it towards the group. They were trapped in a corner and there's nowhere else to escape. They're going to be crushed!

Everyone braced for the impact when Baymax flew in front of them and used his armored body to protect the team. Abigail snarled behind her mask and used her microbots to form a giant drill-spear. She will not leave until these meddling kids are completely gone for good.

The spear tried to pierce the group, but Baymax blocked the attack with his body. The microbot-spear began drilling into Baymax's body, trying to tear into his carbon-fiber armor. Yet the caregiver bot did not budge yet the spear kept slowly pushing him further back. The others huddled together in the corner, watching this suspenseful moment.

"What do we do now?' Wasabi demanded.

"We're trapped, and we're gonna die anyway if we stay here any longer!" Fred said. "And I can't use my super-jump when you're all too close to me."

"Baymax, move! You're going to get killed if you keep this up!" Tadashi yelled at his robot.

"If I move, you and everyone else will be in harm's way," Baymax replied. He continued to talk as the spear kept hitting and drilling into his body. "When I saw you fighting so hard to save and protect people, I finally understood the purpose you built me. I am so glad to be fighting alongside with you. You are not just my patient anymore, Tadashi... You are my friend."

Tadashi stared at his robot, feeling his chest swell with love and pride for his robot. Even though Tadashi pushed everyone away or put them in trouble, Baymax continued to stand by him.

Thank you for helping me, Baymax, he thought. Now it's my turn to help you.

Tadashi quickly racked his brains, pushing away his anger aside for now; he has to save his friends before Abigail can destroy them. He then remembered the special trigger he installed in Baymax's fighting chip that would activate his "defense mode", at least according to his theory. Except, he was unable to test it yet to see if it would have faulty effects, but he had no other choice.

"Baymax... Help!" He shouted out the trigger.

Baymax suddenly froze up as his fighting programming took over. His eyes then turned red. He opened his wings and rocket forward while the others were knocked back by the powerful force. Abigail was stunned to see the flying robot breaking through her spear and before she could defend herself, Baymax grabbed her body and threw her against the wall, causing a minor crater on the impact.

Abigail fell to the floor, her body hurt all over. She touched her face and realized her Kabuki mask is gone. She saw it lying several feet away and before she could reach it, Baymax landed on top of it, his foot snapping it in half.

"No!" Abigail shouted. However, her anger was replaced with fear when she saw Baymax silently approaching her, swinging his hands by his side. She realized what's happening and she tried to crawl away backwards. "N-no, get away from me!"

"Baymax...?" Tadashi said, staring in shock. He didn't program his to act like that.

He broke away from the others and ran towards his robot. "Baymax, stop! You weren't programmed to harm people!"

Baymax turned to face Tadashi. Then he stopped chasing Abigail and moved towards his creator. Then without warning, he used a fist and smacked Tadashi away. The inventor landed on the smile piles of microbts, groaning loudly in pain. He looked up to see his friends trying to stop Baymax, but the robot didn't seem to recognize them and he keeps trying to attack them.

Honey kept throwing her chem-balls at Baymax's lower body, but the robot kept breaking through the hardening foam. Wasabi and Fred tried to hold down Baymax's arms but they were tossed around like ragdolls. Gogo kept trying to open Baymax's access portal so she could remove the fighting chip, but it was jammed shut.

"Baymax, we're not your enemies!" Honey shouted desperately. "Please, stop!"

Tadashi remained frozen in spot and continue to stare in horror. He wondered if the trigger installed in the fighting chip had unintentionally corrupted Baymax into becoming a ruthless, fighting machine. He didn't want that to happened, he wanted Baymax to heal and protect people!

"What have I done..." he gasped, feeling horrified for violating his robot and his original programming.

He saw Abigail running oddly around the room, trying to avoid getting hit or captured by the rampaging Baymax. She seems to be dropping something on the floor. She then ran towards the huge hole of wall before she stopped. She looked back into the lab room and pulled out a small device with a button on it. Tadashi finally realized what she was doing earlier. Before he can alert the other, she pressed the button. Thunderous explosions went off around the giant lab, the walls and floors destroyed in fire and dust. Wasabi, Gogo, Honey and Fred were thrown to the floor; luckily they all survived but they were moving in pain. Abigail, smug about her quick-thinking, quickly disappeared.

Baymax was about to go after Abigail when the floor below him exploded as well and the ceiling fell on top of him.

"BAYMAX!" Tadashi screamed and ran to where his robot is.

He leaped over debris, avoided the flames that made him feel queasy in his stomach, until he stopped dead when he saw Baymax's unmoving body lying on the floor covered in wood and cement. His armor was destroyed from the explosion and it had broken away, revealing his original soft body which had been damaged too; the inflatable vinyl skin is deflated and in tatters, some areas which are away in some areas burnt. Even the metallic skeleton was bent out of shape.

Tadashi noticed the access portal was burnt but he pressed it until it finally opened. He tossed out the fighting chip; it landed in a fire nearby and melted away. The inventor could feel his heart shattering seeing his robot's broken body. His friends were back on their feet and gathered around him.

Tadashi stared at the half-burnt nursechip in the cartridge. He pushed the green chip back into the access portal.

He muttered a low sound to activate his robot. "Ow..."

Baymax didn't move or wake up. He remained lifeless.

"Ow," Tadashi repeated, this time louder.

Again no response.

Tadashi began screaming "Ow" all over again while his tears began to pour out. He felt Honey's hand on his back and he broke down crying.

"Tadashi, we're so sorry..." Honey said sadly.

Gogo suddenly placed something on Tadashi's hand. It was the broken half of the Kabuki mask and the neurotransmitter remained intact.

"You might not want anything to do with this, but at least you finally got your brother's invention back," she said.

Then they heard explosions somewhere in the building and the whole room began to shake. It appears Abigail had rigged more explosions and decided to bury them. Even the fire is starting to spread.

"We have to go," Wasabi said.

Fred tried to pull Tadashi away from Baymax's body.

"Tadashi, we have to get to safety," Fred said in a broken voice. "B-Baymax would have wanted you to live. So, please... Do this for him!"

Tadashi was stopped crying and nodded. Quickly, he opened Baymax's access portal again and glanced at robot face one last time.

He wanted to Baymax to continue help many people, but now it seemed the robot would never do it.

He bent down and kissed his robot's head.

"I... I'm satisfied with my care," he whispered to Baymax.

Everyone ran towards the exit when they heard the ceiling cracking and it began to fall on them. Tadashi put on the mask and the microbots formed a shield to protect everyone. Everything was buried in minutes.

Meanwhile, Krei's secretary was sitting in her car in the shadows of an alleyway, just a few blocks away from the building and watch it collapse from her rear-view window. Faint sounds of police sirens was heard in the distance. Then someone entered in the passenger's seat.

"You went overboard," she remarked, scolding Abigail lightly.

"That building was going to be demolished anyway," Abigail said. "And I need to find a way to make sure they won't survive this time."

"So, that's why you didn't kill Hamada immediately when he broke into your home," the secretary said as she drive away from the alley. "You wanted to see who else survived and lured them to a trap."

Abigail nodded. She then hissed and clutched her side.

"That stupid robot of theirs almost killed me. And he destroyed the neurotransmitter."

"That's a shame," the secretary commented. "We still have the rest of the microbots waiting for us, but our only neurotransmitter to control them is gone. How are we going to proceed with the plan without the microbots?"

"We don't need microbots, I have a back-up plan," Abigail said.

"You have what?"

"Drive us to the warehouse. It's still there."

Right after the dust and smoke cleared, the microbots broke through the fallen rubble and everyone climbed out. They were covered in dust and their suits a little damaged, but they were safe and unharmed. Except now they were missing their sixth member.

"Hiro's invention saved us," Tadashi said in a hollow voice as he removed the mask from his face. He felt so empty inside.

"Tadashi, will you be okay?" Wasabi asked.

Tadashi looked down at Baymax's burnt nurse-chip but he said nothing.

Everyone then left the site immediately before the police came. Tadashi placed all the remaining microbots inside some plastic, garbage bins and kept them in the garage where they belong with Hiro's computers. Never again they will be used for evil purposes. As for the Kabuki mask, he hid it somewhere Hiro's room so he wouldn't have to look at it and be reminded of costs that were made.

While he did retrieve the microbots and everyone else was alive, Abigail still escaped, his brother is dead, and Baymax is accidentally killed after being corrupted by some possible glitch or virus in the fighting chip.

Big Hero 6's first mission seemed liked it ended in failure.

Abigail and Krei's secretary walked to the back of the warehouse. The secretary is confused about what Abigail is going to show her. They entered a room and she gasped when she saw lying in the corner.

"Oh, this must be your first time seeing it," Abigail said slyly as she walked over to the huge robot. "This came through the same portal when I was rescued. Nobody knew where it came from, not even Krei. Now you understand why I want you to ask Tadashi Hamada where he got the idea to build his robot?"

"What are you planning to do with it?" the secretary demanded in a low, terrified voice.

"You'll see," Abigail said as she pulled out a huge toolbox and set down on a nearby table. "Not many people know this, but I was a former botfighter."

The secretary just continued staring at the white, marshmallow-like robot Baymax. He seemed to be deactivated and he wearing what looks like broken pieces of red armor.

The next few days, Tadashi could not leave his home except on nights he patrolled around San Fransokyo with the team. He couldn't bring himself out of the bed as he fell into depression. He couldn't explain to Aunt Cass about what exactly happened, though she kept asking about Baymax's whereabouts. His friends continued to visit him and tried to support him, and but their words of comfort did not help him.

He missed Baymax and he realized that without his caregiver bot, Tadashi's health and mind is slowly declining.

While Big Hero 6 continued their superhero duties, it wasn't the same without their robot friend. Tadashi couldn't concentrate on fighting random criminals and he keeps getting distracted. The others tried to tell him to stay home and they'll do the job without him. However, Tadashi stubbornly pushed himself to fight because he was still determined to protect as many people as he can. His friends are beginning to worry for Tadashi, and they're afraid of losing him too.

One night, it was raining over at San Fransokyo. Fred had invited Tadashi over at his mansion (after much persuasion to get him out of the house) so they can have a two-person party before the two go out to patrol the city. Gogo, Wasabi, and Honey couldn't come tonight since they're all busy in their part-time jobs.

Tadashi sat on the couch while Fred ate most of the pizza and show off his favorite comics; the school mascot was trying get Tadashi to talk about his feelings.

"Baymax and Hiro would have love this one," Fred said as he showed a cover of a boy riding on dragon-like beast, and he's surrounded by five other people. "The first issue of Super Samurai 7! It's about a group of people are assigned to protect their country from the villainous spectre Everwraith. This comic sort of reminds us in a way, it's so cool."

"That sounds interesting, Fred," Tadashi said quietly. His face was blank and heavy, as though he was exhausted.

The school mascot suddenly picked up a manga book which has a picture of a magical girl on the cover.

"I've been trying to find a gift for Honey's birthday and I heard from Gogo that she likes manga," Fred said. He looked dreamily at the cover. "Do you think she will like this? I mean, you know I how I used to have a sorta crush on her... Hang on, I still do~!"

He chuckled, shaking his head. Remembering how Honey kissed him on the cheek that night at the old Krei Tech lab made him blush. "To be honest, there's also someone else I liked..."

Tadashi shrugged, not paying attention. However, hearing Gogo's name made him wish he was with her at her place. He missed talking to her and he felt terrible for almost getting her killed thanks to his reckless actions.

Fred puts down the comic and sat closer to his friend. He gently takes his hand, their fingers interlocking.

"Tadashi, we missed them both," he said. "I may not know them as much as you do, but that doesn't mean they weren't important to me and the rest of our pals. And we'll always be here for you, amigo."

Fred paused and he looked away, blushing a little. "You know," he continued. "If I had one superpower right now, I would give you a big hug to remove all your pain and every tragedy in your life."

Tadashi was then reminded of an old conversation he and Fred shared back in the garage.

"Hey, Fred, there's something that has been bothering me," he said. Fred's face lit up and leaned forward, giving Tadashi his full attention. "Why do most superhero origin stories have protagonists mature or become heroes only when they receive some sorta of personal tragedy? They don't need some trauma to push them into becoming heroes. And what if they don't become heroes, but villains instead? It feels like a whole pile of baloney that you need to mature if something bad happens to you."

Fred became quiet as he tried to think of a good answer to this one.

"Well, people who suffered a lot become superheroes because they don't want others to suffer the same thing too," he explained carefully. "That's why they're burden with a lot of responsibilities. And if they're not careful, they might slowly become the very villains they swore to fight."

Tadashi fall silent but he was still not convinced of Fred's explanation. He lost his parents at a young age, his brother and his robot died because of his reckless actions. How much more tragedies does he have to suffer, it isn't fair at all. He thought of Abigail again and he wished he could have still stopped her when he had the chance.

"Besides, Baymax isn't really gone," Fred piped up, trying to sound hopeful. "You still got his nursechip! You can rebuild his body, put in the nursechip, and-VOILA! Baymax is back in business!"

"You don't understand, Fred," Tadashi said. "Yes, Baymax's personality is in the chip, but it got damaged in that explosion. Even if I rebuild him, all of Baymax's quirks and data inside the chip are probably ruined and it can't be processed in the new shell. Baymax... is gone for good."

He stood up and picked up his helmet from Fred's bed.

"Better put on your suit. We'll be ready to leave soon," he told Fred.

He didn't care that it was pouring outside, he wanted to some time to think while he hunts some criminals. He felt Fred's arms wrapped tight around his body from behind, and he was pulled into a hug. He remembered how Baymax was telling him how hugging gives compassion and physical reassurance when one is going through personal loss. Tadashi found himself crying about Baymax and Hiro again.

"Why are so you nice to me?" he asked Fred through his sobs. "I don't deserve such kindess after what I've did. I couldn't protect or save the people who are precious to me."

Fred allowed Tadashi to cry, and just continued hugging him.

"You know, ever since the night Baymax is gone... I regretted running into the exhibition hall to save Professor Callaghan," Tadashi whimpered. "If I hadn't, Hiro wouldn't have run in to find me... He's gone because I was an idiot. It's my fault...!"

It continued to rain heavily while two figures ran and leaped on the rooftops of of the city. Tadashi and Fred were chasing a huge man who just mugged a couple and they cornered him to an alleyway. The criminal doesn't seem like he's going to give up with out a fight. He held up a knife and tried to stab at one of the two superheroes. The blade barely sunk into Fred's suit and the comic fanboy strike the mugger down with his tail in retaliation. Tadashi, however, tackled the man and began punching him. How dare this scum try to kill his friend! Tadashi could feel his rage reaching a boiling point as he continued pummeling the man's face, and venting other frustrations on him.

"That's enough, you don't have to go too far!" Fred said as he pulled Tadashi off him. Then the two heard the police sirens and they disappeared quickly.

Tadashi leaped on top of a nearby building using his cable wires and glared at Fred through the thick rain. He removed his helmet and threw it at his friend.

"Why did you stop me, he almost killed you!" he shouted.

Fred removed the headgear of suit, letting the rain fall on his head and face. "Tadashi, I know you're upset but hurting people won't heal the pain," he begged.

"Don't tell me how I should feel, you're not Baymax!" Tadashi growled.

The school mascot winced at these harsh words but he approached closer to the inventor, his face inches away him.

"Alright, I'm not Baymax. But I'm still your friend who's not going to give up on you."

Tadashi thought Fred was going to hug him again. He turned around and muttered in a cold voice, "I'm going home. Don't follow me." He then ran off, leaving a heartbroken Fred behind.

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Notes: I APOLOGIZE FOR ENDING MY CHAPTER LIKE THIS. As well as killing off Baymax in a brutal way. Now you're possibly thinking about where the second Baymax came from... I think you can figure that yourselves. And also, is Hiro really dead or is Abigail lying?