Light Serpents take the initial form of her black tattoos on her arms complete with an appearance similar to an ink drawing of a snake with a round body. It's true form is that of a large snake head, retaining it's ink-like body composition.
According to Medusa, Light Serpents posses Magic of their own. They're capable of shifting between their ink-like and true form at will as well as be implanted into an individual's body and devour a body in seconds.
- ↑ 1.0 1.1 Soul Eater Manga: Chapter 9
- ↑ Soul Eater Manga: Volume 3, Chapter 9, Yen Press English eBook, Pages 157-164