f'n hell, he makes it look easy. this takes a whole day, may be 3 if you're not skilled enough. and take note, this is just for a posed model. not animatable, he just rigged it to pose her otherwise the tail needs bones too.

The 10 Stages of Sculpting in 10 Minutes - The Littl...

also, his model is good enough that it only takes basic texture to make it look gorgeous