Ready, Aim, Fire: Book 6 Air Booster Online (Sci-fi LitRPG)

by Mike Lin

As Jace progressed into the higher hours of World 5, he realized that no matter how much he upgraded his systems, there were always enemies waiting to tear them apart. Twenty mantises were no joke, and his current setup simply couldn’t handle the sheer number of threats he was facing.

To break through this progression wall, Jace needed something revolutionary, something powerful enough to change the rules of the fight.

But what system could make that kind of difference?

435 pages, Kindle Edition

Published December 21, 2025