snowgall

(Sorry, I accidentally hit the delete button T^T)

And some more tropes in HP fandom, like:
- Time travel
- De-age
- Owls/Epistolary fic
- Different house AU
- Dark!Harry
- Voldermort wins (and also I just find out: No Voldermort)
- Fairytales
- BDSM
Not to mention by careers, such as Auror, Healer, Hogwart professor...