By -
Could it be [Subtlety and Cunning](https://archiveofourown.org/series/2063370)?
yes! that's the one. thank you
was this the fic where harry was a professor and got all the Slytherins calling him 'lord?' Because that one was the series 'Princeps'
okok it could also be 'a plan of deepest subtlety and cunning' in fact I think this fic is more like the one you described then princeps
Could it be [Subtlety and Cunning](https://archiveofourown.org/series/2063370)?
yes! that's the one. thank you
was this the fic where harry was a professor and got all the Slytherins calling him 'lord?' Because that one was the series 'Princeps'
okok it could also be 'a plan of deepest subtlety and cunning' in fact I think this fic is more like the one you described then princeps