Who does Rudeus Greyrat end up with?

Surprisingly, Rudeus adopts a polygynist approach to his love life and ends up with Slyphiette, Roxy and Eris in that order. The three marry Rudeus and settle with him for life, putting an end to his romantic endeavours.

Who does Rudeus Greyrat marry?

Rudeus Married Eris, His Third Wife

Eris and Rudeus parted as Eris would need to leave to focus on her training and in the battle with Orsted, the two crossed paths again, reunited after 5 years, and rekindled their love. Their bond is formed by passionate feelings and Eris becomes the third wife of Rudeus.