I started with a skeleton equipped like so:

After a couple rounds of killing the skeleton and putting what it dropped into a new skeleton, this is what I end up with:

There is an endlessly confused difference between Entity's concept of being dead and EntityLivingBase's. That probably has something to do with items getting duped/destroyed. The damage on the armor might be from vanilla damaging items that mobs drop?

log: https://paste.fedoraproject.org/paste/b5aJtyN81J8rojmcP5BpQw/raw

Try version 2.4.13 and let me know if this is still an issue.

Same setup as before. It looks like an improvement though! There's an array on Entity/subclass somewhere that says if the item was picked up off the ground. If it was, then it drops the exact item without any %chance/damage nonsense.

Forge is no longer being supported, and the mod is getting a total rewrite for Fabric. Here's why.