One great fanfiction could be where Rex and Mythra go on a journey to a hidden land in Alrest. In this story, they might face new and unique enemies, and their relationship could grow stronger as they rely on each other's skills.
One possible fanfiction could be about their adventures in a new, uncharted land. Maybe they discover a hidden power that only they can unlock together. This power could be the key to saving their world from a new, unknown threat.
A good Rex x Mythra fanfiction often focuses on their relationship development. For example, showing how they gradually understand and trust each other more.
A simple plot could be that they encounter a powerful enemy that seems unbeatable at first. But through their combined strength and the unique bond between them, they manage to find a weakness and defeat the enemy. This would show how their relationship is not just about love but also about being a great team.
Geralt ends up with Yennefer. Their relationship is complex and filled with passion. They have a deep connection that has been through many trials and tribulations throughout the story. They care for each other deeply despite their differences and the various challenges they face in the world of the Witcher. It's a relationship that is central to much of the story's emotional depth.