Kuro no Maou - Chapter 487

Stranded in a world not his own, in a body not his own, Kaden finds himself stuck as a low rank marine in treacherous waters in the middle of an ocean where only the strongest can survive and a count down until a war that would shake the oceans and the very world itself erupts, where the kings of the sea will devour the chum. Gamer System. Insert.

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)

Though he received the skills necessary to teleport across worlds, the king who performed the summoning ritual attempted to trick him into wearing a slavery collar, this annoyed him so he kidnapped the princess and returned to Earth.

The apocalypse descends, zombies and monsters appear, followed by System Leveling, which grants skills to all survivors.With the collapse of law and order, some become powerful while others remain weak, and so the dark ages begin.