Here are the released information from the stream.
- The story for the event is going to be big. It was written by Kinoku Nasu.
- New class: Moon Cancer. Strong against Avenger. Weak against Ruler.
- New class: Alter Ego. Strong against cavalry. Weak against Knights.
- Servants confirmed for CCC event:
- BB (SR Moon Cancer)
- Passionlip (SR Alter Ego)
- Suzuka Gozen (SR Saber)
- Meltlilith (SSR Alter Ego)
- BB has BQQAA card set with Arts NP. First skill is a max HP increase with heal.
- Event runs from May 1, 2017 7PM Japan time to May 17, 2017 1PM Japan time.
- Gacha pickup are Passionlip, Suzuka Gozen, and Meltlilith.
- New craft essences to go along with the event.
- 1/2 AP for Main Quests will run until the end of the CCC event.
- The CCC Mystic Codes are available until the end of the CCC event.
- My Room will have the CCC design until the end of the CCC event.
- Elizabeth Bathory and Robin Hood animation renewal.
- Website for 2nd Anniversary: http://fes.fate-go.jp/
Here are the new Noble Phantasms:
Update: Full information has been released from the official website. It is in Japanese so I will look around for translations.