Ruin of the End Times: Ascending Through Machinery

Set in the ruins of a fallen civilization, this story blends post-apocalyptic survival with futuristic sci-fi and cyberpunk elements. A boy scavenging scrap metal at the edge of the ruins stumbles upon an ancient body-enhancement device from a bygone era. Upon connecting with the device, he gains superhuman physical abilities and embarks on a journey to become a 'Hunter'—an explorer of the ruins. With the help of the device's built-in AI, he ventures deep into the ruins, battling monsters, collecting artifacts, and striving to create a better tomorrow than today... — Description from novelcodex.org