Denslat

does not have to be cooked chicken, worked with pipe mod wrench too.

Just reading through the code for the Philosopher stone, (https://github.com/sinkillerj/ProjectE/blob/mc1.18.x/src/main/java/moze_intel/projecte/gameObjs/items/PhilosophersStone.java) would guess it's line 72 onwards kicking in as there is smoke.