any advices / critiques?

[ancient dew]

i like my art n all, just searching for some advices, critiques or compliments on the shadings or other things.

[onyx osprey]

hiii, im uyen
btw you already have a good base
but... to me the shadow is kinda off, and the value is also off.
i dunno what u wanna ask so maybe you can ask me more specifically.