| Magical Energy Reactor |
| Altereactor |
| Breath of the Planet |
| Cosmo Reactor |
| Dragon Reactor Core |
| Progenitor Dragon |
Cosmo Reactor (コスモリアクター , Kosumo Riakutā?) is a cosmic reactor allowed only to the multiplying Sabers.[1]
| Rank | User(s) |
|---|---|
| A | Mysterious Heroine X |
| It is reacting to various things. Settings, for example.[1] |
- ↑ 1.0 1.1 Fate/Grand Order material III — Profile of Mysterious Heroine X, translated by ComunCoutinho at Reddit.
| Servant Skills |
|---|
| A • B • C • D • E • F • G • H • I • J • K • L • M • N • O • P • Q • R • S • T • U • V • W • X • Y • Z • # |