Fellow Keepers, what’s the most number of hunters you’ve run through a mystery?

Fellow Keepers, what’s the most number of hunters you’ve run through a mystery?

Fellow Keepers, what’s the most number of hunters you’ve run through a mystery? How should I modify a mystery for more than the recommended 4 – 6?

Also, if I wanted to use a mob of minions, how much Harm capacity should each have? Is one minion per hunter appropriate or challenging if each minion can take 3 – 4 Harm?