The Klein who appeared in the Fool's seat was both the real one and not.
His main body was still "asleep." Although this state differed from the deep slumber most gods, angels, and Tarot Club members imagined, in which he could not respond to outside prayers, and was merely a disguise, he still could not wake at will and leave the Azure-Black Light Door above the gray fog in Sefirah Castle.
His usual communication with the outside world relied on Arodes's Mirror on the long bronze table, summoned from the Historical Void. Almost all the expressions in the mirror, shown only to Angel, came from Klein himself rather than the obsequious Arrodes.
What had manifested his original appearance now was merely a special Worm of Spirit.
A complete Lord of Mysteries could contend with multiple Great Old Ones when not specifically countered, precisely by using abilities such as marionettes, avatars, and blinking, along with their corresponding concepts and symbolism. The Celestial Worthy's ability to show signs of awakening within multiple angels of Sefirah Castle's three pathways, leaving not a single King of Angels in the Fourth Epoch daring to become a god, also stemmed from this symbolism.
The ability to have a Worm of Spirit stationed above the gray fog directly carry his complete consciousness without affecting his sleeping main body proved that Klein was close to accommodating Sefirah Castle and could already employ some of the Lord of Mysteries' symbolism. His main body within Sefirah Castle was him, but any Worm of Spirit outside could also become him at any moment-not an avatar, but an existence infinitely close to his main body.
It was precisely for this reason that Angel, who had already become "half a Great Old One," could enter the gray fog unhindered without provoking Sefirah Castle's