“ An alchemist enchanted his equipment to produce even more powerful alchemical compounds, potions and the like. Unfortunately, it is not well-known that he had different sets of equipment for different processes: If the wrong set of gear is used, the result will invariably fail to function. It's not a cursed item, just something that's hard to figure out.”
“ In a room the PCs find a decomposing body half in and half out of a mirror, the result of an attemp to create a [Mirror Golem] that went horribly wrong.”