Infinite Labyrinth 2 is episode 10 of season 3 of Sailor Moon Crystal.  


Enticed by the power of Chibiusa's Silver Crystal, Pharaoh 90 destroys the Taioran Crystal and prepares himself for his advent.

The Sailor Senshi then split up to search the building, with Sailor Moon accompanying the Outer Senshi on an elevator to the basement, where they confront Professor Tomoe, who transforms into an alien-human hybrid and is destroyed by Sailor Moon. Soon after, the whole building collapses, and as she flees with the Outer Senshi, Sailor Moon's transformation dispels, making her fearing for the safety of the other Sailor's left behind, when Pharaoh 90 and Mistress 9 appear before her.