The exploration of their past connection is also quite common. They used to be colleagues in Overwatch, and fanfics often go back to those days to show how their relationship started and how it evolved into what it is in the fan - created story. It could be about rekindling an old flame or dealing with past betrayals and misunderstandings.
One common theme is redemption. Reaper is often seen as a fallen hero, and Mercy, with her kind - hearted nature, is sometimes depicted as the one who can bring him back to the light.
One common theme is the redemption arc. Given Reaper's rather dark and brooding nature, many fanfics explore the idea of Mercy helping him find redemption. For example, she might try to heal not just his physical wounds but also his damaged soul.
Well, Fanfiction.net is also a great place to search for Reaper x Mercy fanfic. A lot of the fanfics there play with their backstories and how their characters' development could lead to a relationship. For example, some might delve into Mercy's struggle with her Hippocratic Oath and how she might deal with her feelings for Reaper, who is often seen as a villain in the Overwatch lore.
One popular 'mercy x reaper fanfic' is 'Healing the Darkness'. It delves into the complex relationship between Mercy and Reaper, exploring how their pasts and their current circumstances in the game's universe bring them together in unexpected ways.
Another theme is the power dynamic. Reaper has his dark and powerful abilities, while Mercy is a healer. Fanfictions often play with how these two different power sets interact, whether it's Reaper protecting Mercy in his own way or Mercy using her healing to save Reaper from his self - destructive tendencies.
One common theme is redemption. Since Reaper has this dark, brooding nature, many fanfictions explore Mercy's attempts to redeem him. Another theme is forbidden love. Given their different allegiances in the game lore, their relationship is often seen as something that goes against the norm.
Sure. You can check out Archive of Our Own (AO3). It has a large collection of 'Overwatch' fanfics including ones about Reaper and Mercy. Just search for 'Reaper x Mercy' in the 'Overwatch' fandom section and you'll find a bunch of different stories with various themes and writing styles.
Start with an interesting hook. Maybe something like 'In the chaos of the battlefield, Reaper's eyes locked with Mercy's, and something unspoken passed between them.' Then build the story around that moment. You can also include dialogue that reflects their different outlooks. For instance, Mercy might say 'We can find a way to heal this broken world' and Reaper could reply 'The world is beyond saving, but maybe we can save each other.'
I'm not sure of a specific title off - hand, but often fanfics in this pairing focus on how their different personalities interact. Maybe look for ones that have a lot of character - driven plotlines. For example, a fanfic might show how Mercy's kindness starts to thaw Reaper's cold exterior in a really interesting way.