Multiverse Unrivaled System

With his injuries, he had no choice but to undercover as a lowly security guard working in a poor, dirty and messy residential area, a pale contrast to his former lifestyle.
Until when he almost loses hope before he encounters a mysterious system.
Beep! Host has met the requirements.
Beep! System has completed the binding!
Beep! Checking the host's body condition...
Beep!  Activating the first mission.
The host has been forcefully teleported.
Before he even learns about the Multiverse Unrivalled System, he gets teleported to the Falling Mountain Range. He is mystified because the place is rumored to be the crashing site of meteors that fell from the sky.
With the newfound system and consequentially strength, Qin Buyi embarks on an adventurous but vengeful journey to supremacy.         
Once again, the heavens smile on him, giving him a chance to flourish to the once dreaded legendary warrior.