GRE3D

[You have died]
[Initiating System Activation...]
Those were the words that rang in my ears the moment my vision had turned black. But unlike others who were thrown into the same situation as me, I didn’t die.

[Immortality System has been activated]

I was thrown 300 million years back in time to an era where the weak were preyed on, and the strong ruled with iron fists. An era of magical creatures beyond human understanding. An era of intelligent creatures that could rule over humanity with the power of their stare alone, and ones who could dissipate a hurricane with the snap of their fingers.

An era with magic and evolution that would allow me to climb to the top…

Thrown into the wild with no one to rely on, I was forced to turn towards the only semblance of hope in this cruel and uncaring world. The only thing that could help me survive this madness.

The light at the end of the tunnel for the last human who persisted until the end.

The only system worthy for the last survivor, and humanity's final anchor. 

[Welcome to the Immortality System. A system that makes sure you never die as long as you work for it!]
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To interact with the author, report mistakes, and see what the characters look like, join the discord Server: https://discord.gg/PtzXQBvAj5
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Author's Note:
The story will have elements of psychology and will explore the main character's mental health. It might also sometimes have information dumps but I'll try to keep it to a minimum. 

This is not a novel with an overpowered MC. The mc, while being immortal to an extent, starts off very weak and slowly gains strength.

WARNING: For the first 30 or so chapters, the mc is barely survives by the skin of his teeth. Give the novel a chance because the mc does become much stronger from chapter 40 and onwards.

NO HAREM!
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--------------------Rewards--------------------
Golden Tickets (Per month):
-100 GT = 1 Extra Chapter
-300 GT = 5 Extra Chapters
-500 GT = 10 Extra Chapters
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Gifts:
-Castle = 5 Extra Chapter
-Spacecraft = 10 Extra Chapters
-Golden Gachapon = 15 Extra Chapters
{Do take note that if you do give me a spacecraft or a golden gachapon, I might not be capable of giving you the chapters on the same day. However, a castle should be doable}
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Immortality System: The Last Human's Transmigration

Looking at my radar, I could see that there was a dungeon 30 miles away from me. While at first, that might seem like a lot, I was aware that the forest I was in was much bigger than just 30 miles and was probably incomparable to the size of the Brazilian Amazon forest.

'It might compare to the tundra in size.' I concluded while looking around me.

After walking for a while, we both began to run at full speeds or to be accurate, I ran at full speeds while Blanca wasn't even breaking a sweat.

She seemed to be enjoying the run more than I was, trying to run in front of me and show herself off to catch me off guard, yet I persisted in not looking at her at all during this journey.

One useful thing I did get out of this run was my analysis of my running speed, but not my strength. After finally learning how to walk without tripping, I increased my speed to a light jog, then a brisk, then a run, and finally an all-out sprint.

Dungeon of Reverence