Microtransaction Idea - Dummy boss in hideout to test builds against.

I find the need to test builds in a safe area. Getting to a map boss is fine. But you either need to kill it or die to change your build. Then farm another map boss or lose experience.

If we could get a "Dummy Boss" in the hideout with like a 100 million health pool we can reset that would be really awesome. You could even have skins for it to mimic different bosses that could be add-ons for it. Like if you want to test against Xesht you could could buy a Xesht skin for it.