It turns out V4 cannot generate images properly, so please disregard it for now.
It was quite difficult, but I think it's finally stable for now.
It seems his teeth will inevitably become crooked...
Include these prompts at a minimum :
scar, tail, tusks, animal ears, scar on chest, dark skin, goatee, sharp nails, sharp teeth, white eyes, no pupils, veins,
The test version is prone to noise.
Versions 1.0 and 2.0 exhibit even worse alignment.
Ultimately, I believe 3.0 is the most stable.
If his teeth are severely misaligned, try reducing the intensity.