| Sailor Chi and Sailor Phi |
|Japanese:|| セーラーX |
|Romanji:|| Sērā X |
|Manga:||Act 56 - Stars 7|
Sailor Chi and Sailor Phi are the seconds-in-command of the organization, and Galaxia's most loyal followers. They were in charge of cultivating the Star Seeds - tapping Garden Crystals which surrounded Galaxia's cathedral. They are responsible for the deaths of the Sailor Starlights, Sailor Lethe, Sailor Mnemosyne, and Sailor Kakyuu.
- Sailor Chi's name and Sailor Phi's names refer to letters of the Greek alphabet, Chi (χ) and Phi (φ).