Well, it's a Friday...

In The Moonlight by Albert von Keller (1844–1920)

Albert von Keller was a society artist who mostly did pretty dull dinner-party portraits, but seems to have a thing for, um, BDSM paintings of tortured young women.

The Martyr

All very improving of course ... if it wasn't good Christian virgins it was witches getting their comeuppance:

Witches' Sleep - 1888

There now. I hope you're feeling improved and chastened!