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Waiting for pisskop to choose one of the setups but along with what imp said about the dv,
-The larger setup with the 2 vigs & sk, can have high swing potential if that's your cup of tea. The sk can completely get free from the town gunsmith check alone, so I'm not sure if they need another buff modifier since they already have 1s bp and can nk per night. At most I would think they can be buffed with a rolecop modifier , so a rolecop 1s bp serial killer if simply 1s bp serial killer isn't enough -
Comparatively, I think the larger large normal setup is more balanced compared to the smaller large normal setup.
-The smaller 17-player setup doesn't look like there's a vig, so it looks like the vig enabler & doc will cause scum to be paranoid. BUT if they use those roles in a different way if pushed to claim , they can cause wifom for TOWN instead