Crux was the only known planet in the Nimbus Galaxy to have had a minifig population. Crux was also the home of the First Builders and the legendary Mythrans. Crux became famous for being the host of the Temple of Imagination that contained the powerful Imagination Nexus. In the 20th century, Crux was accidently destroyed by Baron Typhonus, who created the dreaded Maelstrom in the progress After Maelstrom destroyed the planet, it was split into thousands of chunks. Since then, the chunks have been the host of the major war between the Maelstrom and the Nexus Force.