Infinite System Inheritor Return From The Abyss - Chapter 65 - : Ranks?

Ye Fan accidentally obtained a billion crystal technology system, and since then, he has become out of control.

Android: You do n’t even have a mobile phone system. I want to make it impossible for you all!
Ye Fan: Sorry, I researched it out, it seems to be more powerful than yours!
BMW Benz: Our engines are famous all over the world!
Ye Fan: Sorry, I do n’t have an engine, I only have magnetic levitation, and the speed is only a few times that of yours. Do n’t worry, take your time!
…
Enemy: Is he still human?
Who can stop this!

- Description from Qidian

Earth has been visited by the Embryeniel records, so the world and its habitants are pushed towards the path of evolution.Strange monsters only made up by imagination appeared everywhere and the world changed into a situation of either survival or death.Jon is a normal student in Palflic university, all he thought about was finishing his school safely and is faced with possibility of been abandoned by his parents, however little did he know about himself and what the world had in-store for him.Other worlds and universes, clans and sects, people and monsters stand in his way, will he prevail or succumb to the desires of others.

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

- Description from Novelupdates

What would you say is the most valuable thing in this world?