Dark Themed Logo Design

I'm looking for a logo that embodies a dark and sinister theme for my project.

Key Requirements:
- Style: Dark and sinister, edgy and modern, or classic and gothic
- Primary Color: Black
- Secondary Elements: Skulls, with options for fire or wings

Ideal Skills and Experience:
- Strong portfolio in dark-themed artwork
- Experience with skull designs
- Proficiency in color theory, especially with black as a dominant color
- Ability to create edgy, modern, or gothic aesthetics

Please include relevant work samples in your bids.