Mauler Twins

Henry knew that with the combination of these two things, he would grow many times more powerful than Every known Viltrumite in just a year or two. 

"Wait…. I can shorten that time if I can figure out artificial gravity generators" Henry thought as he looked at the data before him

Henry knew how impossible Gravity generators were in real life after all it is impossible to generate any level of gravity you want with a single machine but this is fiction. 

Normal doesn't exist here, he could create it and train like the Saiyans under varying levels of gravity. It would allow him to get stronger exponentially faster than ever. 

After all, Viltrumite physique still works like humans, so when they train their muscles tear and repair stronger though this is a very slow process though a little bit faster in Viltrumites but with his healing factor, a day's training would be no different from a month's training.

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In a dark alley that leads to an industrial zone. Two large figures could be sneaking and peeking around as they ran to the factory before them.

As soon as the two figures reached the gates of the factory, they leapt over it as though they were jumping over Legos then proceeded to make their way into the factory. 

Everywhere they passed, guards meant to protect the factory dropped dead on the floor like flies.

"Haha I told you as easy as taking candy from a baby" One of them said as the other one suddenly turned on the lights

As soon as the lights came on, the real appearance of the two were displayed for all to see. The two humanoid giants had blue skin and were extremely identical to the other as though they were identical twins. 

Turning the lights on, the two started exploring the factory to find what they had come for.

"Come here moron, this is why I say you can never be the original" one of them said as he dragged his brother along with him to a particular section of the factory

"Funny as though you foun…." The other one said then suddenly stopped when he saw a large device that stood towering over them

"You were saying" the other replied

"Ok you win, let's get this thing and leave" he replied then they both went on to pick the device up but fell through the device instead as though the device was intangible.

"What the…" one of them shouted in shock as he waved his hands through the device, only to watch it pass through it 

"Shit!!, It's a trap" the other shouted then they both started running to the exit in hopes of escaping.

"Don't waste your time, you won't make it" a voice suddenly said from above them drawing their attention

"Shit it's the immortal, the Guardians are here" one of them shouted then they both increased their speed as they made for the door

As they ran, one of them suddenly stopped in a bizarre position making the other turn to see what happened to him, only to find his head impaled by Henry's hand. 

Seeing this, he immediately picked up his pace as he ran but he too soon kissed the floor as he was knocked unconscious by Henry.

"I need only one of you" Henry said as he wiped off the blood from his hands. 

This should normally make him feel nauseated but Immortal's memories had made him immune to gore and blood. In fact, you can say he didn't feel anything after getting someone killed.

Picking up the unconscious Twin, Henry placed him on a chair as he deactivated the illusion placed around the factory as the device and all the guards who were killed disappeared into thin air. 

"Illusion tech, never fails" Henry said with a smile as he produced a helmet that had a small stick protruding from its back and placed it on the Twin's head

Henry had used holographic technology in collaboration with hard-light projectors to create an environment that looked and felt no different from the real deal. Making the Mauler twins think that they had actually killed a set of real guards.

As Henry placed the helmet on the Twin's head and activated it, it immediately shone a blue light as a slight electric shock ran through the Twin's body. 

The Helmet was a miniaturized version of the Twin's memory cloning technology.

The Twins could probably achieve this if only they weren't always bent on achieving one crime or the other. 

Their actions made it so that they were always on the run so they did not have the time to think so just kept building the same technology over and over again without improvement.

A few seconds later, a ding was heard indicating the end of the memory cloning so Henry removed it and then proceeded to collect a few blood samples from the dead twin after all the twin may not be as strong as a Viltrumite, but they had considerable durability and strength. 

Taking the helmet from the Twin's body, Henry removed the stick that was sticking out of the helmet. It was a normal flash drive, though one with about 50 Exabytes allowing it to store the large amount of information in the Twin's mind.

Henry took the helmet and all he had gathered as he left the factory and sped back home after making sure that he left no traces.

He didn't want any unnecessary troubles at the moment since he was already this close to achieving his goal. As soon as Henry got home, he sped off to his lab below the building 

"Hey Six, help me separate all personal memories from the non-personal will you," Henry said as he uploaded the contents of the flash drive to the computer.

"Yes sir" a voice replied, Six was the name Henry gave the Virtual Intelligence. Named after its initials V.I in Roman numerals.

Henry stood before the computer as Six analysed and separated the data into two different files.