Board Thread:Roleplaying/@comment-1592115-20150626180333/@comment-1592115-20150709184749

"Sure, but... which one? There're many Great Ones existed, people back then worshipped the formless Sithis all the time, But now, the trend goes to Man or some Says Mann, a conjoined entity which can manipulate the cycle of life and death."

"Speaking of this particular Great One, it chose the Moon as its symbol, a cycle of life and death. It can alter the Moon's colour into crimson red and possess people with it. Most people believed it's Hircine who turned the Moon into red. But no, it literally possessed Hircine with its formless tentacles, wrapping his mind."

"Some said the Moon Presence was Mankar Caramon, Mythic Dawn's founder, and some said the Moon was Mannimarco, the Revenant Moon. I'd say the Presence ate both. That's how the Moon earned that strange name..."

The Dremora then gives Cyrus a book, it has two chapters: "Memories of Man" and "Memories of Mann"

It's an elevator which leads to an lower layer.