Kaijin Fighter: So I Have to Make Monsters, So What? - Chapter 1255: Zako Growth and War

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

What happens when a man gets transported into a foreign world filled with magic?

He was supposed to be the next big thing.Three years ago, Riku Aoyama was Japan’s rising basketball prodigy…Until a devastating injury and a brutal betrayal shattered everything.Now? He’s just a ghost of his former self—until one empty gym, one dusty court, and one crazy idea reignite the fire.Form a team of nobodies. Start from zero. Take on the monsters ruling the court.With broken players, forgotten schools, and no sponsors backing them—Riku’s team, Kaizen High, isn’t just here to play...They’re here to change the game.No powers. No shortcuts.Just sweat, soul, and skill.In a world where basketball is war—Only the crownless will rise.

Promise transmigrated to the TYPE-MOON world and became one of the students of Waver Velvet at the Clock Tower.But a dream must eventually come to an end.Upon waking from a night's sleep, he recalled his identity as a transmigrator and also discovered his golden finger.A Heroic Spirit Class Card.It can take Promise to different eras, and by leaving behind corresponding legends, he can ultimately ascend to the Throne of Heroes!He thus travelled to ancient Greek mythology and Norse mythology.Promise: “I heard after death, you can ascend to the Throne of Heroes. What are you waiting for, come on, kill me!”(PS: This book is not a traditional simulator story; its content mainly revolves around the Age of Gods, hence the Age of Gods is a long narrative!I didn't use TYPE-MOON in the title as it was already too large)