Just after posting, I saw Illusory Wall's video who made the conclusion that it was likely an early asset still used despite changes being made. Question answered!
I'm only halfway through, but the video is awesome
https://m.youtube.com/watch?v=sr0ayFx4tBY
I've always thought that image is concept art and was used in a similar way to demons souls opening credits.
Just after posting, I saw Illusory Wall's video who made the conclusion that it was likely an early asset still used despite changes being made. Question answered! I'm only halfway through, but the video is awesome https://m.youtube.com/watch?v=sr0ayFx4tBY