Instead of Checking In Regularly: I Hide And Cultivate In The Monster-quelling Tower And Become Invincible - Chapter 577: Showdown with the Immortal King

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic.

“A black dragon rises from the depths of the South Sea, triggering a cataclysmic tsunami... Flame spirits destroy city after city of steel and concrete, calmly departing from the center of a nuclear explosion... Extraterrestrial deities attempt to dominate the entire starry sea... This is a future world where human technology is highly advanced, and it marks the beginning of a martial arts era that sparks a frenzy of life evolution.Li Yuan, a martial arts student preparing for the college entrance exam, carries the vision of an extraordinary celestial palace where he can observe the starry sea, embarking on a challenging journey in this world.Many years later.“My current flight speed is 122,682 meters per second... My explosive power is... ” Li Yuan zooms through the atmosphere about 180 kilometers above the surface of the Blue Star, his cold eyes fixed on the colossal creature resembling a mythical dragon at the edge of the dim void: “You should be the strongest among all invading demigod life forms.”“Unfortunately, at this moment, I can only be called... a Martial God!”

A human from Earth is thrust into the [Hunter x Hunter] world, becoming the Zoldyck family’s defiant, red-eyed prodigy. They call me a genius and the rightful heir, but I say that’s Killua’s burden to bear.Armed with crimson eyes, and a subtle yet powerful system, I’ll rewrite destiny, upend the world, and embrace the chaos with a wicked grin.

“I will have my vengeance, in this life, or the next!”Albedo died alone and depressed and was reborn in a Novel he had been reading. However, instead of becoming the Protagonist or Antagonist, he becomes Albedo Neverwinter, an Extra he couldn't even recall from the Novel.However, the cruelty of life didn't change even after rebirth, and his new family was ripped away from him, leaving him with nothing but scars as reminders of the gruesome fate his family faced.Promising to get his revenge, watch as Albedo, alongside his System, his tactical mind and scarce but valuable future knowledge, rises up the ranks and ascends the pyramid of power.[ OP MC, System, Harem, Romance ][ Yeah there will be Smut, but it won't dominate the Novel ]