The supporting character's harem is very normal - Chapter 523: The battle!

A mental patient, or a born policeman?

A peerless genius, or a master of crime?

There are cops who are least like cops, and there are criminals who are least like criminals.

Neither good nor evil is absolute.

It is a grey world we live in.

- Description from Novelupdates

The Imperial Court of Tang Empire became dim and corrupt. The Emperor believed eunuchs. The officials vied with each other for authority. The Tang Empire was about to collapse. The flouring Confucianism, Buddhism and Taoism eyed it covetously. The three sects wanted to contend for the domination of the whole world. Which one would win in the end? Or would they coexist peacefully at last? Armies of different nations invaded the frontier on all sides. People and the whole world were in extreme misery. Who could save them?

A young man of the Imperial Clan was reborn in Chang’an. In the Last Life, he was framed and was driven out of his place. He was the king of the subjugated country. When he wandered on the streets, he wanted to be an ordinary people and live an ordinary life in Chang’an but failed.

In this life, he determined to fight against the heaven and change his own fate. He would not give those people an opportunity who framed him in his Last Life. He would hold his title and his place. In order to maintain order and peace of the world, he was going to wipe out all villains of the whole world with the Imperial Sword, adhere to the emperor’s principle, and enact the new national law. He would rule over the empire to prove himself.

- Description from Novelupdates

What is my 1000-year-old monster self to do when I’ve failed my immortal ascension? Time travel — accidentally — and wind up back in my 9-year-old body, needing to re-cultivate, of course. But after that? Get REVENGE! Muahahahaha! But the idiot who killed me — also accidentally — was the main character of the dumb harem Xianxia I transmigrated into. But wait. Wasn’t he only 7 or 8 at this point in time? Well, since I can’t harm a child or the main character without suffering in some way, then I’ll just have to raise him better, faster, stronger, and loyal! Muahahahaha!

[The System has arrived on your habitable planet, known as ‘Earth.’][In five seconds, monsters from countless realms will invade Earth.][Remaining Time: 5 seconds.][You can now view your attributes, talents, abilities, and skills by simply thinking about them.][Kill monsters, and you might survive.]“Monsters?”Damian’s breathing quickened as the pain in his chest grew sharper.On the day of the Awakening, humanity was forced to defend against an invasion of countless monsters from the towers that connected realms across the multiverse.While billions of people died helplessly, billions more seized the opportunities hidden behind the horrors spilling out of the gates.Leveling up, growing stronger, awakening talents, learning supernatural skills, changing one's very race, and even achieving immortality all became possibilities.But for Damian, who was suffering from a sickness that would kill him within a few years, the Awakening was a curse.While other humans awakened powerful talents, hunted monsters, and evolved, Damian remained talentless, a liability and a burden the awakened had to carry.Damian never wanted to be seen as weak or useless, but what could he do?He was dying.If only he had awakened a talent or at least possessed a stronger body, he might have been able to level up and cure his sickness. But he couldn’t.All that would change when a mysterious figure set him on a path that would lead him to his true destiny.Witness the rise of a warrior who would make countless men tremble in fear.Witness the rise of a monster who would force every race, every being, and every existence to kneel.Witness the rise of the Champion.Tags: [System], [Towers], [level up], [Classes], [Monsters], [Vampires], [Werewolves], [Yokai], [Dragons], [Demons], [Angels], [Gods]. [Rare Bloodlines], [unique Abilities], [Regression], [Survival], [Mystery], [Time Travel], [reincarnation], [Overpowered], [Martial Arts], [Magic], [Cultivation], [Murim], [Hell & Heaven], [Progenitors].