Sorry for bombarding you with bug reports. Let me know if I should stop.
Today I got stuck in a shop. I knew that going there I would be blocked by heretics from going anywhere else. My plan was: 1) enter the shop, 2) buy something, 3) place a tile in one of the inaccessible spots 4) make use of the sin relic for an extra turn 5) place a tile in the last remaining inaccessible spot 6) win the level. What I believe that we are seeing is that reaching the tile with the shop the sin relic was activated before finishing the shop interaction (I guess)