What's the most annoying thing in Angband (without dying)?

[Nicodimas]

Just came back and remembered exp/life drain is brutal. I mean it’s technically a easy fix.. however it sucks when your out of restore life levels.

(I get this is probably meant to be this way , just find it annoying)

[Pete Mack]

NPP--
Just about to quaff a !DEX, and a humming rune you hadn't previously noticed shatters it. I hate those traps!