Pressure Plates can be activated by Abigail and Ancient Spirit

and non physical shadow creatures, that means any sanity under 80% is a pain when raiding ruins, since the shadow creatures can activate plates/traps despite they are in the background and they still non "physical".

Edited June 21, 2019 by madskull

Abigail tripping these things sucks but the ghosts and nightmare creatures doing so is almost certainly intended.