Man, I love the facial expression here! Especially every very little wrinkle of the grinning snout. Big mouths with sharp teeth have the best grins ever.

The details of the fur on the neck and around the ears turned out nicely too. The most eye-catching thing in this image is the extreme red color tone, and how the glowing eye pops out.

You can really feel some sort of fierce energy going on. Like a storm of fire in the background. But maybe that's just me over-analyzing, haha!