So I got Superblack, tried it out on my armor and everything. Definitely had it, and I also played for a good 2 hours after I got it too, so the servers had time to save my data.
The first \video is proof of me actually getting the shader (and that cool random that was so happy I unlocked it)
The second video was recorded today, 6/20/24, and is proof the shader is not in my account. You can see from when I open my inventory in the first video, and the start of the second, that it is the same account. Can anyone explain what happened?