Another feature of my version is that artifacts have 4 slots instead of 5. More precisely, there are 5, but one is invisible. Let's say 4 slots are occupied, we take some kind of sphere of preservation, and that's it, it goes into the 5th slot, and you can't remove it :-)

By the way, I solved the loading problem, albeit in a rather awkward way. If, for every 5-10 calls of the IsIconic function, you call sleep(1) once, then the loading time for the professor drops to 1-3%. In general, it's a hack, I'll keep looking for a better version...