My starting summon is a small skeleton - Chapter 320 - 317 Skeleton General

[DING! Congratulations to the Host for obtaining SSS-Rank Dark Dimensional Reality Talent][Attribute: Darkness]Freed from nuclear war terrors, all humans now have to face the new reality of their fate.Humans are given a power that allows them to have different talents according to their abilities and luck, including obtaining the power of past heroes.Aaron Lewis, an 18-year-old young man, must bear the devastating reality that his mother was killed by an unknown group. The turmoil of uncontrollable rage in his heart makes his talent affected.[WARNING!][System detected Darkness attribute energy increase][Initiates talent rank evolution][Adjusting talents with attributes ][Evolution Completed]Just as Aaron opened his eyes, he saw he was floating in a void dimension with thousands of caged ancestral souls waiting to be freed or summoned. They are the souls of heroes from all over the world.[Main Talent: Dark Dimensional Reality][Rank: SSS-Rank]With his flexibility to explore dimensions beyond ordinary human sight, Aaron gathered thousands of ancestral souls and turned them into his army.To his surprise, Aaron found a way to free his mother's soul and bring her back to life, which was to become a Great Ruler.“There is no other choice. I will become a Ruler.”

The most successful businessman of his time, who started from being a homeless orphan, died indignantly because of being plotted against by his most trusted aid, his own brother.

Son of a bitch! I just finished this godawful fantasy novel, and now I'm knee-deep in it – as David, the disgraced son of the Solarian Empire's top general! Talk about some twisted cosmic joke. But hold on a damn minute... maybe this isn't all bad. Armed with the knowledge of that trashy plot, I can become the ultimate shadow player, an overlord perhaps. Screw the damsel-in-distress harem too – it's time to pull the strings and become the real power behind the throne. This isekai might be a steaming pile, but I'm rewriting the ending with a little more... Debauchery (wink wink).

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy