Good entry! I didn't quite figure out what was really the point in getting the red potions, it seemed like they only made things worse as I was supposed to keep sins while getting rid of souls, but other than that it was pretty fun!
Viewing post in Void Arbiter jam comments
The red potions will reveal how many unatoned sins a soul still has. 6 being the highest, 1 being the lowest (or 0 with a purple potion!).
Essentially if you have a 5 or 6, you may want to void that applicant, where a 1 or 2 would be safer to approve. If I make updates to the game in the future, I'll make that more clear. Thanks for playing!