Welcome to Abyssal Ciphers

The next riddle inside an enigma:


            42 | 7B: QXZCWRM | *Anagrams: See Galaxy vs. *Their
            3.14159: Bizarre Circumference
            -{Secret: }

"It is not the cheese that dreams, but the crackers that hold the door."

Didn't understand? Worry not, here's your manual.