by Eric Vall is a completed 12-book series that blends portal fantasy (Isekai) with "HaremLit" and LitRPG-lite mechanics. Series Overview

The story follows Alex, a man from Earth who is transported to the magical world of Aventoll. In this world, social hierarchy and power are determined by "Duels." The premise is straightforward: if you defeat an enemy in a duel, you claim their assets, which include their property, money, and even their wives.