Nine Realms Sword Emperor - Chapter 6 - : Petty Man! Dog Slave!

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

Lin Yuan, carrying the “Door to Myriad Worlds,” transmigrated into the Great Universe of the Starry Sea.Here, the mightiest could obliterate star systems with the flick of a finger, and traverse millions of light-years in an instant.As a bottom-dweller, Lin Yuan could only rely on the “Door to Myriad Worlds” and his innate talent, “Against-Heaven’s Understanding,” to travel through countless worlds, silently growing stronger.【Your Against-Heaven’s Understanding allows you to cultivate the Muscle-Tenden Transformation Bible, comprehending the ‘Muscle-Tendon Transformation Blood Tempering Divine Technique’】【Your understanding is Heaven-Against, upon extending your comprehension to the Thunder in the Palm, results in the mastery of the ‘Thunder Creation Opening Technique’】【Your understanding is Heaven-Against, while observing the birth and death of worlds, leads to the insight of the ‘World in the Palm’】【Your understanding is Heaven-Against,, through studying the art of external incarnations, culminates in the ‘Self-Transformation Great Technique’】……In his unending travels, Lin Yuan ceaselessly grew stronger, until… he was unrivaled across all worlds.

Riser traveled to the world of novels and became a villain. The first thing he does when he transmigrates is to retire from the engagement!I've seen this kind of villain routine in several novels, I didn't expect to experience it myself. Even so, I have to survive in this brainless novel world.But what happened next surprised Riser.Rias: “Riser, do you know the difference between you and the stars?”Riser asked in confusion. “What's the difference?”Rias: “Stars are in the sky, but you're in my heart!”Riser: “.... (Something is wrong with this woman. What about protagonist? What about the plot? As heroine, why don't you have any self-awareness!)”Grayfia: “Riser, you have helped me many times. If you want, I can promise you my body and heart.”Riser: “Cough, cough! That's an interesting idea. What about your fiancé?”Grayfia: “Fiancé? You mean Issei? I never recognized him as my fiancé. I hate him.”Looking at the heroines who were sucking up to him and ignoring protagonist, Riser felt very tired.“Sorry protagonist, these heroines don't want to be with you. Why not find another woman out there?”Seeing the heroines with villain, protagonist angry and vomits blood.Riser had no other choice but to bully protagonist to death.

A genius talisman practitioner is reborn as a seven-year-old girl! However, her innocent appearance belies her vicious personality.