The Retired Hero is an Extra - Chapter 183 - : Class Division

Klaus had spent his entire existence as a puppet, bound by the strings of fate. However, a miraculous turn of events granted him a fresh start. The remnants of his former constraints smoldered in the ashes of his past. Now, unshackled and determined, he resolved to forge his destiny according to his own desires. No one, not even a deity, would be spared if they dared obstruct his path. Klaus was ready to wield the sword of vengeance and carve his own fate in the annals of history.

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

Schiller became Batman’s teacher, a professor of psychology at Gotham University.On the first day, Bruce Wayne entered the psychiatric clinic.Schiller had to open the Meiman chat system and posted the first post: Batman asked me the meaning of life, how should I answer? It’s a hurry to wait online.Thanos: It is recommended to kill directly.Professor X: Don’t listen to the upstairs, I’ll use your mind-reading skills…Schiller Andel Rodriguez, a world-class master of criminal psychology, the most famous psychology professor at Gotham University, his students are both superheroes and super criminals, but he does not belong to any of them, Batman likes to call him “Professor”, Joker calls him “the coolest lunatic”, Scarecrow calls him “Arkham slipper”, and Nick Fury thinks he’s a “getter.”Be Batman’s teacher, Spider’s godfather, Iron Man’s psychiatrist, Schiller’s journey to American comics, starting with Batman at the beginning.[Other than translator’s site, all other sites have google translated content, beware. Don’t comment bad translation after reading other site content.]

Chiyuki Hoshino, a beautiful otaku girl, traveled to the world of Yu-Gi-Oh! with her Fate/Grand Order Heroic Spirit deck.“Blue-Eyes White Dragon!”“Activate the effect of Arash! Stella!”“My most loyal servant, the Dark Magician!”“Activate the effect of Arash! Stella!”“I…”“Activate the effect of Arash! Stella!!!”Amid the ruins and countless corpses (thanks to Arash), Chiyuki wiped her forehead and smiled brightly. “Playing cards is so damn interesting.”For those interested in reading this fanfic, please note that I am not the original author. I have only translated and edited it to make it as readable as possible.