In scott pilgrim world and traveling to other worlds with a system - Chapter 3 - how to use starter pack cleverly I hope

One day, the majority of humanity had a collective thought.

‘I wish the world would just collapse.’

And then, that wish came true.

Lucien's last memory was skidding tires, blinding headlights, the sickening crunch of metal.But that wasn't the end.He lived his life and died an overworked and underpaid, but he rose as Lucian D’Aureville. Incumbent heir to House Aureville, one of the most powerful houses in the kingdom.However it wasn't as rosy as it seemed.His predecessor had been murdered by someone, and they wouldn't be happy to see Lucien alive.Follow along as Lucien navigates the complex and treacherous path of nobility and wealth as he rises to the top.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

An ordinary person who has never been in contact with games travels to the world of elves. Without a prominent background, no golden fingers, and no mysterious grandfather, where should he go?

This article is very cold-blooded and the protagonist is very selfish. If you think it is poisonous weed, don’t click on it. Thank you.

- Description from novelbuddy