| Clue | Location | Notes | |
|---|---|---|---|
| Beneath the drainage pipes along the river. | Insalubrious Effluvium | (map) | |
| Soaking near a fluid pump north of the Pavilion of Artifice. | North of the Pavilion of Artifice | (map) | |
| By the collapsed pipes in the Mechanical Fundament. | In the southeast corner of the Mechanical Fundament, on the lower level | (map) | |
| On the lip of the Skybridge. | On the Skybridge in the Brass Fortress, accessed via the Reactor District | (map) | |
| In a junction with three exits in the Halls of Regulation. | In a room on the south side of the Halls of Regulation | (map) | |
| Amidst the wafts in the Shadow Cleft. | Down a waterfall on the east side of The Shadow Cleft | (map) | |