5 minutes to get 50 creatures into the cave. Creatures get up to (I think) level 700+ on alpha. Cave can have microraptors, purlovia, yutys, gigas, allos, rexes, etc. Typical apex/annoying creatures.

Going to be running this legit on single player for the first time this week, so if you’re looking to do it too, there will be a tip soon.