If you:
1. Select the PQI Quest Flag from the map when that PQI asks for a Purist run
2. Select any preparation
3. Start the run:
Every other PQI failed flag I've seen up till now has been positioned as to point to your character, so this seems rather off.
Furthermore, while standing on the same tile as an In-dungeon shop, if you select a Translocation scroll in your inventory and hover the mouse cursor over the tile where your character and the shop are located, the following happens:
(full image shows two Shop Tabs below the inventory panel)
It's pretty minor, and maybe it's already been reported but eh, it's good to have it on record just in case