Defiance of the Fall 4

Defiance of the Fall 4 is the fourth book of Defiance of the Fall by TheFirstDefier and J.F. Brink, a cultivation series, published in 2022. It follows Defiance of the Fall 3, carrying the series forward. Zac's climb continues — Dao insights, technocrat arsenals, and incursion wars scaling far past Earth. The same dense cultivation-meets-system grind, bigger every volume. It's available on Kindle Unlimited and as an audiobook.