She sat down and chatted with the young man until the leeches began to just fall off her legs - satiated with blood. The young man, enthralled and disgusted by what he just saw, thanked her and went on his way.
In addition to her general oddity, Myna seems to have issues with common sense.
One of the standard peices of equipment for an adventurer is a sword. But swords were actually very complicated to manufacture. Therefore, an adventurer who owned a sword might have had it passed down through the generations or might have been rewarded by some influential figure. Or simply looted it from a tomb.