The Outer Senshi Ponder a New Enemy

Super Sailor Pluto, Uranus and Neptune stand together after they have united their attacks to defeat a large group of enemies that introduced themselves as Mirror Parodies. Sailor Neptune then wonders to the others, "Are they new enemies?"
Key Cel (A1 End)
Sailor Moon Stars Episode #167
The nightmare is scattered! The Queen of Darkness revives
Akumu no Hana wo Chirasu Toki! Yami no Joou Fukkatsu