War is a constant in many RPG’s. I believe that I have done enough war based adventures and campaigns that I might as well share some ideas and open the stage for others to share their thoughts.
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.