Guide to secret ending

The first answer (the Weaver will help you)

Second answer (The Whiteblacks will help you)

Third answer (Icosidodecahedron will help you)

'' Give up Desire. ''           - Sing True Song of Dominion!

'' Give up the Power.. - '' Sing  True Song of Healing!

 Give up Wisdom...      -  Sing Song of Transformation...

' Give up all of Yourself! - Sing True Song of Destruction!'