King of succubus - Chapter 134 Get Out Of The Dimension.

I accidentally changed the whole world, the resurrection of the dead, genetic variation, recovery of the qi, mountain and seas reborn, land and seas expanded and evil spirits have started to appear.

Ghosts are now commonplace. Some people now have three heads and six arms. Some people have obtained martial arts techniques and ordinary people are now just cannon fodder.

Fortunately, I have acquired an ability which can make various items mutate.

books into martial arts or cultivation manuals,

fruits into precious treasures of heaven and earth or poison that you can only imagine and…

weapons, that can split the earth or gain sentience!

- Description from Novelupdates

Dante, one of ten heroes summoned to save a world, was betrayed. Chosen by the Death Goddess as the fearsome Death Monarch, he wields a mysterious system that fuels his meteoric rise to power.With an army of undead, beasts, and dark creatures at his command, he embarks on an epic quest to annihilate the realm that scorned him, only to become what he spent years fighting. Along the way, he encounters evil, seductive women whose dark charm draws him in while causing complete chaos wherever he goes.[If you don't like pure villainous MCs who have no mercy, no conscience, and will kill anyone along the way. The only thing he doesn't do is rape or any of that degenerate shit - then this isn't the novel for you]

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

This is a cliché story about two young people saving the world.