you think it's a normal lake until u open the save
humans:use some extractor thing to get pure water and iron used for stuff
I mean, does it also contain hemaglobin proteins? You can't just have iron water for blood, it needs other components. Also what is the p.h.? It should be about 6.7 for human blood, much lower or higher and all the enzymes and other extremely vital components denature and become useless, killing you very quickly.
The water is litterally rusting...
Okay, this planet makes a bit more sense, but temproaly blood? well, that might be possible, I'll let a pass on this one...
so, it has lakes of blood
This is actually like mars along time ago.