

The cave is supposed to be stupidly dark. There’s a few ways to mitigate it, like the torch, but even just waiting around for a few minutes will lighten it up as Snake’s eyes adjust to the darkness. You can also use the glowing mushrooms, I think, or the cigar to help a little in the meantime.



It does very, very slowly drain your health, but you would have to intentionally try to die from it. It’s kind of been an in-joke in MGS since the beginning, the cigarettes (cigar in 3) are occasionally actually useful items, such as using them in 1 to reveal laser tripwires if you missed the thermal goggles, but, well, tobacco is bad for you after all, so -1HP every ten seconds or so while it’s equipped.