There are perfect individuals (Fowler, for his part, puts some effort into describing that those who populate his highest stage ("Universializing") are not perfect, they have their flaws, etc.) There are perfect individuals who have become it by their own power, whose disciple one can become. There is perfect, selfless love. Utopia is not unattainable, but a rather met description of the coming kingdom of peace.
Adolescens and beyond
"Has its rise and ascendancy in adolescense but for many adults it becomes a permanent place of equilibrium" (in Conn)
At this level, a preterm mysticism is possible, which is more about withdrawing, via meditation or physical seclusion. Narcissistic inflation, which is really very tiring.