WARNING: This copied pm contains descriptions of areas in Necrovion, which may be considered spoiler if you would rather have no idea of what it is like until you have access to it, if you haven't gotten into there already. I considered screenshots but decided not to post any for this same reason.
I spoke with GlorDamar a bit, and he requested that I investigate Necrovion for any signs of a connection to The House of Liquid Dust. Since I always like to gain knowledge myself, I agreed. The following is a copy of a pm to him, with my thoughts on the discoveries I made.
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I've taken a quick look to try spot things of interest. You believe that there is a tunnel or connection of some sort with the House of Liquid Dust to Necrovion, which may very well be. This presents the dilemma, however, that we can't get into the Caves of Torment nor Deathmarrow, which are parts of Necrovion. However, there are a few possibilities I saw in the parts I can access.
At first I was looking for gaping holes, a literal tunnel. The first one I came upon was the Well of Tears. I sort of wonder what fills it.. tears, perhaps? It makes me think of the liquid dark drops the Shade Sentinel spoke of. But maybe it is hollow, and you can climb down it.
There is a hole in a tree in the Island of Seclusion. Actually, there are a couple of trees with holes. For instance, there is one in the Trial of Agony.. the gaping holes resemble eyes and mouths of a gnarled tree. And then there is the large barren tree in Accursed Growth, which reminds me of RavenHold. The thing that caught my eye about this tree is that the whole looks like something you could enter, and not like a building as I would imagine for the Accursed tree.
There is, of course, the cave-like entrance in Demented Path, quite noticeable. Interestingly, it is a hole in a wall of brick that is of discernable width, and yet, we can't see the end of the wall or scenery behind it through that hole. Maybe it's just the position of the sun, and the overhang creating a shadow that obscure it, but this leads me to surmise that it continues on, perhaps through the hill/cliff behind it, if there is one. It's a bit hard to tell. In any case, it looks considerably odd. Looking at the map, I believe it may lead to the Caves of Torment.
Looking at the area again, I spotted what seemed to be a wisp of darkness, or a black tentacle on the right side of the hole in the wall. I couldn't really discern whether it was coming out from the ground or if it was just floating in the air, but it doesn't resemble a weed to me. What could it be, and mean? I continued down the path, coming to the Demented Ascent. I looked back at the wall, and as best as I can tell, there is no terrain backing the wall of bricks up. Where, then, does that hole lead? It gives me the shivers.
The House of Tainted Times.. the name? It has a certain parallelism with The House of Liquid Dust. I don't know if it means anything, but that suggests the two may be connected. After all, who says the connection has to be a literal tunnel? I remember the Shade saying that something terrible happened at the House of Liquid Dust, causing shades to congregate there. Or does he mean causing liquid dust to congregate there, forming shades? I wouldn't know.
But whose house is this one? The house itself has four archs on its lower level leading inside, and what I presume to be six arch-windows on the second level. I can't go in, for some reason which I cannot describe. Plaster seems to peel away to reveal bricks underneath, and a foundation of stone tiles (I'm not familiar with masonry). On each side, there seems to be a tower. The right one's top has crumbled away, but looking at the left, there is a clock on the front face. It has a flat roof, which stands four pillars and an arched awning, resembling a gazebo on a tower.
That's all I could note, for now. I could probably provide more apt description (screenshots), but that would take time. Please tell me if you'd like them. You may choose to post this in your topic (I just found) on the forums, if you'd like. By the way.. the head, could it not be Willow's?
Ren and others seems to disagree with me, but I don't think Willow is necessarily dead. Shades can turn humans to their own uses, and we've heard of how humans become crazed/shade-like in surroundings of shades. Personally, I think that Willow might've become a shade himself, forgetting all his memories. For instance, did you note that the Shade Sentinel was called a "Dead King"? This was noted by Wodin when the topic was brought up.
Also, on a side note, there is a shade in the beginning of the story which gives you a cube. From my understanding, this becomes the Wooden Room within you meet Marind. I have met a shade who offers "power" in return for the same cube.. if you take the latter to stand for the rest of the shades, does this mean that the one shade in the beginning was dissenting? Breaking with the will of the shades and Necrovion in general, which seems to be so connected? Who is this shade, then? Could he be related to Willow? [i think he might actually be Willow ]
About the symbol on the wall. I don't have records of any revelation I had back then (in the beginning), and my memory fails me. But if we could have a quote, I believe it had to do with the power of a cross being able to cut matter in a spiral, like wind. Could this also cut "darkness" or shades? Say, Liquid Dust? I think something like this was suggested by Yami no Sakura, Ren and Shade Melke to the Knator Commander, but I'm not sure.
Some things to consider.
EDIT: yeah, Ren is complaining that he doesn't think that Willow isn't dead, so I'm putting a disclaimer. I never said he thought that, just like it seemed like it to me