I know this might seem odd, but I think you'd greatly benefit from reading two stories which, in a veiled but precise way, deal with exactly what we're discussing: the presencing of the numinous in the common causal world, and the subtleties and beauties of that process. Incidentally, they're written by a black magick group that I'm affiliated with.
http://www.nineangles.info/breaking_the_silence_down-v1-1.pdf
http://www.nineangles.info/the_greyling_owl-v1.pdf
I'm linking them for you not because I want you to read about or become interested in the group that wrote them, but because I think that they might speak to your sensitivity. Such sensitivity usually faces little but crushing non-recognition in the world, and can be a source of great pain, which is why I find these stories as precious as I do: they not only see it for the beauty it is, but also describe a way of... flowing with it... in the world, and of making a hidden magick of it. Without being tainted.
For you, specifically, I don't recommend reading any of the other stories or online material to do with the group. That's because it, to, was subject to a similar process of degeneration; those who talk about online now are mostly ugly, ugly after-effects. And because the other 3 stories in the Deofel Quintet deliberately play with stereotypes and horror in a way which, given your posts, I think wouldn't be best suited to you. You're a subtler person than the type they're meant for.
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The acausal (the beautiful, the numinous, the rare, the sacred) can't, in our causal world, establish itself with any stability or permanence. It can always be found, but often only in the darkness and the shadowed and, above all, the unseen-to-the-many. When it does presence itself in causality, its influence can be felt, as you said, like waves running through the ocean of time. Its beauty can linger on for decades, living through all those who were touched by it, and who by that encounter discover the secret, fugitive wonder that life can hold.
What is this forum now?
The ruins of a temple passed.