From Fate/Grand Order Wiki
—A class specific to the AI known as BB. She who attempted to invade the core of SE.RA.PH, this title has been bestowed to what she is. An error in the system. The AI that rejects the system. The Cancer of Moon Cell—
Moon Cancer Have a base damage multiplier of 1.0x.
- Avengers take double damage from Moon Cancer and deal 50% less damage against them.
- Rulers take half damage from Moon Cancer and deal double damage against them.
- Berserkers take double damage from Moon Cancer and deal 50% extra damage against them.
Beast III/R takes 20% extra damage from Moon Cancer.
|ID||Icon||Name||Class||Rarity||Min Atk||Max Atk||Min HP||Max HP||Command Cards||NP||Obtained!|
|5★||1728||11182||2172||14812||Available for summoning during Servant Summer Festival.|
|4★||1366||8197||2182||13643||Awarded to players for completing the SE.RA.PH event|
Currently no Moon Cancer Servants have been released.