The weapons are sharpened in such a way that they leave clean cuts. The Adrenalin is high enough so you don’t really realize the hit and direct aftermath, only the blood running down. Of course there is the healing pain, can be quite painful.

Would you say this "Mondo Italian" video is a fair representation of the dueling tradition?

https://www.youtube.com/watch?v=lUh5exBJXBU

No, this clip is widely considered as bogus in the community.

Nonetheless it looks very appealing. I’m not sure exactly why, other than I fence and like beer.