Elf Tensei Kara no Cheat Kenkoku-ki - Chapter 12Book 1: -2: Safety Zone

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?

- Description from Novelupdates

This world became a playground for various other worlds. Every living creature was digitized and awaited the endless slaughter and torture of the players from other worlds.Yi Zheng, who had become a mob rabbit in the Beginner's Village, decided to lead a group of rabbits. They sprinted across the grasslands, did crunches, bench-presses, rowing, and swimming etc.A year later, when the players descended, they saw more than just a group of small monsters.They saw an army of terrifying, demonic, muscular rabbits!The Rabbit King sitting on the throne high above waved a carrot as he threatened, “From this day forth, don’t even think of leaving Beginner's Village!”

A calamity descended, consuming the world in chaos.With their final strength, humanity raised towering walls and built great cities to safeguard the last remnants of life.But now, the calamity stirs once more.This time, humanity will not just defend—they will rise and strike back!Witness the heroes.Follow their example.Become the hero!

Traveling to Blue Star, eighteen-year-olds in this world can enter the island world and become island owners after being tested.

Xu Chengfeng’s awakening talent ability “Life Activation”, even the island world can’t judge the level!

Then, his island came to life!

Others need a boat to cross the sea, and Xu Chengfeng’s island set sail directly!

Relying on the life activation technique, Xu Chengfeng pulled up the invincible army, accepted countless races, and ran across the seas!

- Description from novelbuddy