Good point, but there's a problem: another bonus level, the one with the demon spawn, requires that you must boost it using tons of "Increase level" crates, and that's the goal of that bonus level. But I don't see it as much of a problem since you usually transfer a high level minion each time anyway. The only problem I may notice is along with the Thief for the full moon bonus level where you could quickly turn it to a level 10
. So, either I alter the Thief to something else or get rid of it, either I leave it as is. Otherwise, I'm awaiting your suggestions.