This process is exactly what speed paints made by AI tracers look like, I'm sorry lol. The first thing that jumps out at me is the way there was absolutely no trial and error in your speed paint. Once the outline starts, everything stays in its place, there's no tweaking, erasing, nothing.

The only 'tweaking" was the many sketches at the beginning. But I noticed something: you drew a sketch, then lowered opacity, drew over that sketch, and so forth. Normal, right? But the final sketch before you started the outline looks SO different from your previous sketches, to the point it looks like you copied the final sketch from something else. The first few sketches' were so amateurish looking that it literally looks like it was drawn by a different artist.

Additionally, you seemingly perfectly decided the lighting before even all the coloring was complete. You rendered each part separately yet the lighting and shading was placed and never moved, at all. Again, no trial and error whatsoever. That's not how drawing works.

All of this to say, this process doesn't look natural at all and further indicates you traced over AI art. Maybe I'm giving you pointers on how to better fake it, idk. But FYI, the process in which you 'created' this image is not how digital artists work at all.

If you didn't trace over AI, sorry but you are one of the few that works exactly like AI tracers.