Passage of Persistance should just be get 7 wins and you get the adept. Losses don't hurt in anyway, and you don't have to do any card resetting until you get the adept. Once you get it, you reset and get another adept roll after 7 more wins. This would keep people in the playlist until they get their god roll and make the mode much healthier.
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Welp I'm gonna take the radical route here and go trials would be better if they did away with flawless in general. Because then no one cares if they lose or not because that's the main issue for most. But like I said radical route.