Royal Ars Goetia Helluva boss character concept

Ars Goetia, Helluva Boss, Bird Demon, score_9, score_8_up, score_7_up, score_6_up, score_5_up, vivziepop style, silver accents, bird feathers, no horns, royal vibes, magical powers, displaying powers, spell casting into night sky, sitting under full moon, royal attire, grey fur, peacock, blue neon eyes, bird beak mouth, full length, oc design, character reference, anthro bird, four fingers