Was thinking about this, how hard do you move against your players when they give you a chance to move? Do you hammer them hard with each miss, making them regret the day they were born? Or do you hold off on hard moves for one or two mis-steps?
Was thinking about this because of my session this week. I'm probably pretty soft in terms of moves outside of combat, at least on the first 6-, but I generally run at least one monster in each session as an absolute killer: a simple ghoul became a Super-Ghoul that ripped the barbarian's ear off, and nailed him to the floor in with his radius and ulna after the barbarian took his hand.
I think I'm also looking for suggestions on how other people make combat harder. The past two sessions my tough monsters have been skilled enough in combat that it was a defy danger to even get close enough to touch them, hitting hard and knocking them around as I did.