ref for Atrium, he's a bit smaller than Kurai but has a thicker, softer coat overall and two shorter spurs. The circle mark on his head is the Eclipse mark. Think of the longer black fur like a hoodie shirt.
Tachit your work is amazing! I love it a lot and I wish I were as good as you! your work brings me to a calm loving place were I can be free almost like I live with it I don't want to sound threatening to your art in any way what im trying to say is your work makes me feel happy and I enjoy it so!