About half an hour after the screaming stoped Midoriya woke back up and started looking around, and saw that the room was practically destroyed. Then he called out, "Hey Negative, are you ok?"
There was no response.
"Negative?"
Still no response.
"NEGATIVE, WHERE ARE YOU!" He yelled as he began looking around frantically for the man who gave him a chance. But...
All he found was the tattered and burned clothing of Negative.
"Oh no!" He said and repeated 4 or 5 more times.
"Well, this is an interesting development," said a voice that sounded like Negative from right behind Midoriya.
"Negative!?"
"Not quite, at least not any more," the voice of Negative said, "it appears that I am in your subconscious now."
Midoriya blinked a few times, "WHAT!?"
"No time to explain, grab your clothes from that duff bag in the corner and get out of here, heroes will be arriving soon."
"Alright," Midoriya said, still slightly confused. Then he ran to the bag, got changed and left.

~~A FEW BLOCKS LATER~~

"So explain to me exactly what happened back there," Midoriya said quietly out loud.
"Ok, by the way you can just think your question because I can hear your thoughts," Negative stated.
"Ok, will you please tell me what happened?" Midoriya asked.
"It appears that the proses of giving you those quirks made me part of you."
Midoriya stopped walk for a moment, "quirks, as in you gave me more than one?"
"Will you please stop talking out loud about this," he said with a heavy sigh after, "in order for me to give you the kind of power I wanted it, I needed the quirks of two certain people. And those quirks blended perfectly to make an unstoppable quirk."
"How many people did you have to kill in order to make this kind of quirk?" Midoriya asked a moment or two later.
"Those quirks were from people who were already dead or dying, I am a man with some decency," Negative stated, a bit offended.
"I was just curious in you had to kill any heroes to get them," Midoriya stated, his expression blank, "I thought that you were a super villain."
"Being a villain doesn't mean I can't be a decent person." Negative said with some pride.
"Ok..." Midoriya said, slightly confused, "so what is the name of this quirk I have now?"
"Well," Negative started, "it consists of a super regeneration quirk, a quirk that increases your physical strength, agility, stamina, and durability, and a shadow quirk."
"What does the last one do?" Midoriya asked, his curiosity peaked.
"The shadow quirk allows you to use shadows to your advantage as well as allowing you to make shadow weapons," Negative informed him, "the quirk used to be mine, but when I died it went to you for some reason."
"So does me being angry help out?" Midoriya asked.
"Not necessarily," Negative started, "it's more about the amount of heat you put into it, anger is a fine source of fuel for a moment, but it's ones true passion that makes it work."
"So what should I do now?"
"I guess you should go home, or we can fake your death."
"How would we fake my death?" Midoriya asked legitimately curious.
"Well it all depends if you remember where you jumped at and if we can spill enough of your blood to make it look real."
"We can try that and see if it works, what's the worst that could happen?" Midoriya said with a slight grin.

~~CLOSE TO MIDNIGHT~~

"It looks like you died here in a very spectacular manner," Negative said happily.
"Are you sure it doesn't look too ostentatious?" Midoriya asked concerned the plan wouldn't work.
"Trust me, even though we made it, it's hard to believe that it isn't real," Negative said.
The scene before them looks strait out of a horror story, there is blood (even some small organs) splattered on the walls and a dumpster. There are pieces of cloth and some hair on the dumpster as well, along with a mangled ID.
"Alright," Midoriya said, "what's next?"
"Now all you need to do scream loudly like your in pain, as loud as you possibly can."

~~THE NEXT MORNING ON THE NEWS~~

"Unfortunately there has been a tragedy, a young man has appeared to have been murdered," the news outlet started, "the young mans name was Izuku Midoriya, he was killed in what appeared to be a horrific fashion."
"Looks like you were right, they totally bought that," Midoriya said grinning.
"I knew the would, until of course someone sees you, then we will have a problem on our hands," Negative said.
Midoriya is currently hiding out in one of Negative's old secret layer. It's little more than a room with a fridge, a bed, and a bathroom. It is fully stocked with food, first aid, exercises equipment, and of course a dartboard.
"This poor young mans mother is wallowing in sorrow for her loss," the newscaster continued, "in her official statement she said, 'All my little Izuku wanted to do was be a hero, but now he'll never get the chance (cries),' what kind of monster would kill a poor quirk-less boy?' The police and pro heroes are on the case."
Midoriya turns the tv off, "So," he begins, "what are we going to do now?"
"Isn't it obvious, I'm going to start training you on how to use your quirk to its fullest extent, which I have decided to name Hex, what do you think?"
"That sounds like a great name, and a good idea too." Midoriya says standing up, "let's get started then."