Note - One error to note in the video: In the part where Saint Evmenios saw Saint Nikephoros floating in prayer - the Saint was completely healthy, no sign of leprosy was on his body.

And another good write up on St. Nikiforos, that includes some more details than the account we read today: 

https://catalog.obitel-minsk.com/blog/2021/01/saint-nikephoros-the-leper-disfigured-angel-and-comforter

And a book on him: 

https://stanthonysmonastery.org/products/saint-nikiforos-the-leper-wonderworker