From Wiktionary, the free dictionary
-mance
- to carry out a specified form of divination
From a clipping of romance.
-mance
- (fandom slang, video games) A suffix attached to a noun or character's name to create a word for an in-game romance subplot or mechanic.
2015 February 10, Velynven, Reddit[1]:I very much look forward to this on my Dorianmance playthrough.
2021 December 1, cappyfish, Reddit[2]:My Andersmance was taken at a more leisurely pace, so I really got into the depth and grief over his character and his romance.
2023 September 19, Irma 'Aimo (@aimostudio), Twitter[3]:My own Galemance run will go full swing once my Astarionmance one wraps up, so more to come soon ☺️