Would that go under 2D art because a lot of the stuff there doesn't seem like the style.
Either that or does it go underneath the category concept art then?
Here's what I generated from cc0 Artbreeder https://ibb.co/6t1xjmJ
You mean stuff like this? That would be 2D art.
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Higher beings; these words are for you alone:
Our Pure Vessel has ascended. Beyond lies only the refuse and regret of its creation. We shall enter that place no longer.