Well, it is a lot of ways to do that special event possible without affecting the value of that items so hard, it's about taking some measures like random obtainables, limited time, limited buys per player, and so. I know some people will think "hey, hold on, i grinded a lot to get that item" but it will not take the value to the dirt, just low a lil bit some extremely high prices and make it more reachable for people who is grinding right now. I know how offer and demand works, but come on, taking the appropiate measures it shouldn't be a problem.