Crying in Cistern.

[Splint]

Spoiler below!

Sadly, I had a little gameplay bug in the cistern: I was pretty sure something was going to happen, like the water monster: I even saw it splashing in the water, near the first valve. And yet, the script did not work: no water monster spawned in the area, and once I activated all the valves the shadow did not appear either: I realized it watching a video on youtube. The absence of monsters coupled to the fact that I was having a really really really hard time with the puzzles in that area of the game made me think I had to find an object to use on the chamber in the cistern, maybe to unlock something...And then run, because whatever was inside of the cistern crying was going to break free and chase me! I was so certain that a monster was going to come out of that chamber that I thought that I'll have to kill him with the steam coming from the pipes, by running and activating the "steam valve"! Gosh, that would have been quite tense!

Spoiler below!

I think the water monster only gets triggered if you've already completed the morgue level.