Emperor of undead beasts
Aaron was born an orphan on the planet Arex, where beastmasters thrived while ordinary people were regarded as nobodies. These everyday individuals occupied the lowest tier of society, while beastmasters were considered nobles, enjoying a life of luxury and wielding immense power.
However, Arex was not always like this. It was once a typical modern civilization where all humans were equal—merely frail mortals.
This changed 100 years ago when portals from another dimension opened, unleashing countless giant beasts unknown to mankind. These creatures, with their supernatural abilities, proved impervious to modern weapons, plunging humanity into a dark age.
After 20 years of this calamity, the first beastmaster was born—a lone bright star in a dark sky. Following his emergence, many other beastmasters appeared, and once-hopeless humanity began to fight back against the beasts, reclaiming their stolen land and reaching a stalemate.
Humanity stabilized, and civilization thrived again. A new society was established with beastmasters at its center, leading to the construction of new cities, each guarded and ruled by a powerful, almost transcendental beastmaster.
Aaron was designated with ordinary destiny; without a shred of any talent for taming beasts, he could only regretfully become an archaeologist, studying the remains of once-ordinary modern society.
Exploring the ruins, he comes upon an underground cave; he dies in a weird turn of events.
Reborn again as an orphan in a different primitive civilization, where everyone is a beastmaster, he finds new hope, a screen materializes in front of his eyes a voice chiming in,
[Undead beasts emperor system bound, don't worry host! You shall be the strongest of them all.]
With his newfound powers, Alex goes on an arduous journey, eventually standing at the zenith of all beastmasters, the sole emperor of all, the emperor of undead beasts