Answer: The Zohar tells us about various states that each of us undergoes individually. However, a person can prepare for this only through unity in the group, similar to the authors of The Book of Zohar, which they wrote while in the state of unity.
They wrote about bestowal, unity, as well as its various levels. The levels of unity are the 125 steps of ascension. At each rung, a multitude of a person’s desires and qualities come together in order to become equivalent to the Single Light.
From the Daily Kabbalah Lesson 9/24/10, The Zohar