A Regressor’s Tale of Cultivation - Chapter 644: God of the Underworld (1)

The world ended, seven days of earthquakes, volcanic eruption and then came the meteor storm, bringing something worse—mutation.Now, survivors are group into Shifters, mutated humans and normals.Ava Zhang was supposed to be a Normal. Useless. Disposable.Thrown into a military-controlled bunker, she is sorted into Level Three—the bottom rank, where the weak are left to rot. Starving, overworked, and surrounded by desperate scavengers, she realizes that in this world, strength decides survival.But Ava isn’t as powerless her hidden System activates. The Blueprint System—an ability that lets her design and invent anything, from weapons to high-tech defenses.

WSA 2025 Entry—Updates on Weekdays#wsa #wsa2025Demon Kings.The Strongest Demons who stand at the peak of the Demon race’s hierarchy.Each one of them wields such overwhelming power that they sit at the top of the Universe’s food chain; among its strongest beings.When the reborn Xaren laid eyes upon the visage of one of these Demon Kings, all he could feel was endless admiration towards the immense power displayed.At that moment, he gained a goal to strive for in this second life of his.He was originally just living to survive, but now, he was living for something else.The path ahead was going to be rocky, riddled with trials, and standing in his way forward would be the many horrors that lurked in the corners of the Universe.But he’s not gonna let that stop him.After all, he’s Gonna Be a Demon King![Check out my other stories from my profile: Godslayer’s Legend, Reincarnated Hero System & Beyond the Bloodline]

{System Online} {System Activating} {System Activation Complete.} {User Detected: Jake Lucas.} * {Main Quest: Grow strong enough to defeat your foes.} *{Warning: Darkness Approaches. No One Is Safe.}* 200 years ago, humanity almost faced extinction at the hands of the werewolves. The world survived, but the cost was unimaginable. Victory was hard-earned—and the price paid is still unknown. After seeing the war wasn’t heading anywhere, the werewolves receded to grow their strength while letting the humans recover. Now, sixteen-year-old Jake Lucas is thrust into a battle he never wanted. Weak, outcast, and haunted by his parents’ brutal deaths, Jake is just trying to survive at Aurora Academy. But when a strange orb activates the Slayer System, everything changes. Quests, skills, and powers that could make him stronger than he ever dreamed. But power comes with a price. With each new level, Jake uncovers dark secrets—about the werewolves, the academy, and the shadows lurking beneath them all. The world is more dangerous than he imagined, and a hidden force is stirring, ready to rise once again. Jake’s only hope lies in mastering the Slayer System—but as the stakes grow higher, he’ll learn the real question isn’t how strong he can become, but *how far he’s willing to go* to stop an ancient evil from being unleashed. **But the system has a final warning: Jake isn’t the only one unlocking power. And the clock is ticking.**

A Hentai World is a Dangerous Place, Especially if Your Best Friend is a Hentai Protagonist and You Are a Trap.