Our player who likes doing this to the DM: “So they’re giving us horses? What are the horses’ names?” Our DM: “…no. You choose.”
Speaking as a player (most of the time) I love making things worse for my poor character. And I send my evilest ideas to my DM. Who then makes them heartachingly worse. It’s great.
I did check! It went something like: Me: Before I go further into this room, I’m backing up to the wall and shooting everything to see if any of it bleeds. Party: You sure you’re not going to get eaten by the wall? Me: …well if the wall is a mimic I’m already dead.
One of my friends started doing a thing where he adds his damage together. When it’s as high as his hit point total, then he’s down. I am trying it out. So I just needed to math the subtraction. Not a lot of math but shrug.