Frost demons always fascinated me with their icy aesthetics and intimidating presence. To make yours stand out, start by mixing unexpected elements—maybe your demon has crystalline wings that shimmer like fractals, or their frost isn't just blue but tinged with eerie violet, like twilight on snow. Think about their backstory too; are they a fallen noble cursed by their own magic, or a wild spirit born from a glacier's heart? Personality should reflect in design—jagged ice shards for a ruthless fighter, smoother curves for a deceptive diplomat.
Don't forget accessories! A frost demon with a broken crown fused to their skull or chains made of enchanted ice adds layers. I once saw an OC whose tears froze into tiny charms, each holding a memory—such a poetic touch. Study real-world ice formations for inspiration; hoarfrost patterns or glacier crevasses can translate into stunning markings. And hey, if you wanna defy clichés, give them a flaming core beneath the ice—a paradox that sparks curiosity.