The Great One (Planet of the Spiders)

"All praise to the Great One! All praise to me! Bow down before me planets! Bow down stars! Bow down whole galaxies and worship the Great One! The me! The great all powerful me!"

- The Great One

The matriarch of the Eight Legs, the Great One sought the crystal which the Doctor had stolen and taken to 20th century England.

Physically gigantic, the Great One lived in a cavern made of blue Metebelis crystals. She believed that with the last great crystal placed above her head, she would have infinite power and knowledge. The radiation of the crystal, instead, destroyed her