Under the Oak Tree - Chapter 250 - 250 Chapter 11

An angel made a mistake, resulting in Shiihara Daiki’s death. In order to hide the mistake, he was then sent to a different world. The angel will grant him one wish as a payment for keeping it a secret. Daiki asked for a Heavenly Castle floating in the sky without hesitation.

Suddenly a floating castle appeared in the new world, which causes confusion amongst the people. They attempt to contact Daiki in various ways. A country tries to steal it by force, while another seeks to befriend him. What in the world would Daiki do?

The Cambrian Explosion, now the largest life science puzzle…

500 million years ago,among single-celled life on Earth , there suddenly began mutations similar to evolution, a variety of gorgeous creatures were born “out of thin air”, all ancestors of today’s species appeared in that short period of time, each species were evolving at lightning speed; billion times faster than today, it was a brilliant era.

Unfortunately, the life of brilliant things are always short, after the brief “Cambrian”, life on Earth entered another 56 million years of evolutionary era at turtle speed. And humans, were also one step faster during the turtle race, and become the leader of life on Earth.

But now — a greater “second age” has come again.

During the lightning speed of evolution, humanity was kicked off of the throne on the food chain in the shortest time possible, and life on Earth, welcomed the second brilliant big bang.

The real end of the world, is no longer brainless zombies or desolate earth, but — the end of mankind, the whole earth’s paradise.

- Description from Novelupdates

Xiao Ran transmigrated to a fantasy world. As a dungeon guard in the Celestial Dungeon, with a special floor called the Purgatory meant for powerful demons and martial arts experts, he faced a huge challenge from the start. The Eldest Princess acquired a forbidden martial arts technique and was banished to the Purgatory. However, no one was powerful enough to restrain her. All the dungeon guards were defeated. Xiao Ran stepped up and declared, “Your Highness, it’s better for you to behave yourself on my territory” and effortlessly subdued the Eldest Princess.

He progressed from imprisoning the Eldest Princess to delivering the Great Xia Kingdom from the evil clutches of various demons and evil martial arts experts.

…

Xiao Ran was the mastermind behind the scenes.