Killing mobs with energy shield using poisons might result no xp, rarity, on kill effects.

This is not my video, but wanted to share this so it can get fixed. All credit goes to ThatPoisonGuy on YouTube.

https://www.youtube.com/watch?v=kwh2k6YS4VQ

The effects of this is that you can lose out on loot, xp, delirium and simulacrum progress. We do not know the extent of the effect, but I for one can confirm that it affects the delirium rewards.

Take this waystone mod for example.

"Monsters gain 25% of Maximum Life as Extra Maximum Energy Shield."

You are not going notice it "all the time", but a lot of the magic and rare have energy shields.