Not sure if this is the right place, but, mobs in the frontier dungeons (Doden's for instance) are running through the walls, making targets drop and even dropping loot in the wall.
[-] Mon 25 Mar 2019 9:36 AM by Halma DAoCs dungeons are known for bugs with clipping and mobs disappearing through walls. I don't think that the devs can do anything about that.