Caught this while trying to code a custom ammo which spawned poison clouds (I was trying to use on_trigger_created_entity to do something with the spawned poison cloud after it was was created).

CreateEntityTriggerEffectItem has a field called trigger_created_entity . According to modding API ...

I've created a custom projectile for a mod, which inflicts very low damage (5), but has very high piercing_damage (9999). The purpose was to apply slowing stickers on multiple targets without actually killing them. Unfortunately, it looks like piercing_damage doesn't work like expected - as ...