This page contains content that is considered "level 2 canon" and may be contradicted by the TV series.
The Red Eel Monster has a very long and serpentine coral pink body with a single yellow orange stripe coiling around the entire length of it. Her head is similar in appearance to that of Nephrite's corrupted form, which is just a head with large mandibles and no other discernible features, though the Red Eel's head has the same color as her body. Even the gemstone placement is similar to Nephrite's corrupted form, which is located just behind her mouth. There's also a large red mane immediately after her head. She also has a large red forked tail fin found immediately behind her.
|The gemstone is spherical with varying shades of red covering it.|
- Her design is "inspired by Seadramon from Digimon and the Unagi from Avatar: The Last Airbender."
- "For the Eel's design, think of something inspired by Seadramon from Digimon and the Unagi from Avatar: The Last Airbender." - Grace Kraft on tumblr
- "I have to share the description I wrote for the eel monster because this is the kind of stuff I actually write to give an idea of what I’m trying to describe. She also ended up looking like an aquatic cousin of Centipeetle, and Sea-ntipeetle if you will." - Grace Kraft on tumblr