Sharp teeth, make some nice canines for it!

Yeah. Very thin dark lips would look good too.

If you want, you can make it asymmetrical and add some scars, droplets of blood, or torn cloth.

Cool! Tell me about how much you think its worth :C like ~3k?

depends on final version

try making the scales more rounded than random like that it really takes away from the texture most scales usually have around the same oval form but that's just my two cent