"As he spoke, his voice became a deep, resonant susurrus, and the cavern was suddenly extremely full of snake. But this was a snake like none other since the world began. Its massive loops and coils would have dwarfed even a dragon, if such had ever existed, and instead of scales, the skin was covered with glowing blue-green feathers."
--"The Obsidian Mirror" by K.D. Keenan, https://amzn.to/3eqeh79