GC and Phial of Forgetit
This stuff is no good
Gremlin Cave is a pointless place. It used to have a use, which was scumming, but that got removed so now there's no justification for it to exist. It might contain Phial of Caladriel, but this doesn't count as a reason to exist because that is also a pointless item. The light it creates sucks and blows simultaneously and ordinary light sources are so incredibly plentiful anyway. The blindness effect might maybe come in handy once in a blue moon, but there'll likely be something much better you could do under any circumstance where you might wanna throw it. Phial is incredibly crappy for an artifact item.
I'd think the simplest solution would be making the Phial returning if thrown. At least then it would be just a silly gimmick item instead of an annoying and dumb one. This is a really lazy solution that took me about 10 seconds to think of, so there's probably much better ways to go about it. Such as remaking it into an item that's actually useful. Of course, that'd mean Gremlin Cave needs to be changed as well because it's a silly place unfit to house something that's actually useful.
If it were up to me, I'd change the Phial into an item that acts as an infinite torch when *held in a hand* and then (U)sing it would attempt to turn or destroy nearby undead/demons, for a relatively low power cost. If we're gonna have a such a blatant Tolkien ripoff thingy, we might as well be faithful in ripping it off. Then make GC harder, spawn gremlins at higher level, disable all light sources except torches and Phial, give it high corruption, maybe even add a second cave level where Phial is actually located. Or make it a single maze level, a maze will probably be way worse than a cave level.
I get that this would be a low priority issue, current silly and pointless place containing the silly and pointless item are deserving of each other and it's not really hurting anything else in the game, but the sheer pointlessness of these two things annoy me. I hope I'm not the only one.