Andellor

Andellor is a planet in the Blackthorne portion of the Generation 1 continuity family.

Andellor is a library planet for a highly evolved civilization.

~1000 years ago after accumulating all the knowledge in the galaxy, Andellors left their world for other dimensions, seeking new experiences. Grogg their planet's guardian, was charged with protecting the Power Prism, containing the the sum total of all the knowledge in the galaxy in crystalline form.

From Teletraan I: The Transformers Wiki, a Wikia wiki.