for a bit more clarification, my modlist at the time was Goki's Things, this mod, the spiderwalk mod for the lukki perk, the class selection mod (which only edits the tree left of spawn), and Kaelos' Archetypes.

Yeah my bad, some game update from 1-2 weeks ago made the anvil movable, it could be kicked around etc and even moved by explosions and contact with physics objects. For a quick fix I had to reimplemented the anvil itself with a different method, but that meant that I also had to use a different method for checking if the anvil is damaged.

That new method worked for me while testing and so I released the update.
I mostly test the anvil in isolation in an extra area where there are no enemies and a bunch of anvils so I don't have to go look for them in the wild, then after those tests, I test it once more in a normal game and in that one run it worked for me so I assumed everything is fine.

The way that the statues triggered with my new update was, if the area on the anvil where the runes are is missing even just one pixel it will trigger the function. I have no idea what exactly triggers that randomly. Maybe if the anvil gets loaded offscreen, it doesn't have any pixels yet since they're not loaded, so it immediately assumes it's damaged.

Anyway, I disabled the feature again in an update yesterday, so for now it can't get defiled anymore.

Where can I get the update?