MTL - Strong Waist - Chapter 980 focus! Arsenal!

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

[You have been abandoned by the human race and become a Fallen.][The Fallen System has been awakened.]'Ding!'[Quest Complete! Reward: Fallen Narakai Bloodline (3° Tier)]Sentenced to public execution at sixteen, falsely accused of being a monster and a genocidal maniac, Cairen Veyrith saw his family, his race, and the entire world turn their backs on him.As the executioner's axe descended upon his neck, Cairen fell… but something refused to let him go.Transported by the System to an unknown world, now bearing countless bloodlines. The legacy and fury of all the races that once fell.This time, will he find a place where he belongs…? Or will he be the one to abandon the world?

I reincarnated and became the young sect master of a sect that dominates a region.I originally thought that with my solid backing, I will not have any worries in this life. However, sudden changes occurred and the sect declined.When the last ten disciples were forced to leave, only a deaf old man and a dog named 'Haha' remained in the sect, I suddenly discovered that the buildings in the sect could be upgraded!I'll upgrade the main hall!I'll upgrade my residence!I'll even upgrade my kitchen!A super sect is currently rising inexorably like the Sun...Welcome to my sect.I only accept disciples that are geniuses. Even super experts have to pay if they want to join.There's no free lunch in the world!

Living life in this new world was already hard enough....So why?Why is the villainess of this world obsessed with me?