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Since the group stage is coming to an end, I suggest we start thinking about the second stage – the playoffs.
My proposal is to conduct the second stage as a playoff system among the top 8 in each group, following the principle that the first-ranked "evil" player plays against the 8th-ranked "good" player, and vice versa. Then, the best "evil" player from the group plays against the worst "good" player from the group (among those who advanced to the next round). If there are not an equal number of "evil" and "good" players, then there will already be matches between the best and worst players of the same faction. And so on, until the top three winners are determined.
The factions for the playoffs should be determined by the principle of each player choosing one "good" faction from 4 "good" factions and one "evil" faction from 4 "evil" factions, choosing one at a time, starting with the red player.