|Air Date||April 18, 2016|
|Total Episode #||29|
|Previous||Act 27 - Infinity 1, Premonition Part 2|
|Next||Act 29 - Infinity 3, Two New Soldiers|
Rei leaves for the mountains to undergo purification training and monitor activities held there by Mugen Academy but is unexpectedly joined by her friends to celebrate her 15th birthday.
Eudial of the Witches 5 holds a ceremony involving several students where she has them offer their life energy, or "Hostes" to Master Pharaoh 90. However, Eudial is confronted by the Sailor Senshi and killed by Sailor Moon. Afterwards, she sees one of the unknown Sailor Senshi fleeing the scene and rushes after her. Just when Sailor Moon thought she had lost her, the Sailor Senshi appears behind her and warns her that she and her friends should not interfere. She then kisses Sailor Moon.