So, uh. No idea if this is helpful, or wanted...buuuutttt....I did a thing.
1024x1024px, 32bit RGBA full sprites rotated from the proper WC1-angles. Source files here: https://drive.google.com/file/d/1rhCKyi0QNJN0OtLtE5Lci2zcEd-LBa7E/view?usp=sharing
I have not set these to the proper palette...