Gemini zodiac symbol tattoo design inspired by duality no human faces vertical split concept left side integrated subtle halo arc above the top bar of the glyph with clean geometric light rays right side sharp angular horn extensions subtly formed from the top edges of the glyph bottom right curve transformed into a sharp devil tail spike integrated into the structure bold black ink only no color heavy outer lines high contrast symmetrical modern stencil tattoo style simple but intimidating white background tattoo idea - made by Ink Studio AI