Fire Emblem 0 (Cipher): Storm of the Knights' Shadows (閃駆ノ騎影, Senku no Kiei lit. Shadow Cavalry of the Flash Ride) is the sixth booster series released for the trading card game Fire Emblem 0 (Cipher). It was released by Nintendo on September 29, 2016 in Japan alongside Fire Emblem 0 (Cipher): Genealogy of the Holy War.
The key art is illustrated by Rika Suzuki. The characters for this series are taken from Fire Emblem: Genealogy of the Holy War, and Fire Emblem: Fates Conquest/Revelation. Promotional cards also feature characters from Fire Emblem: Blazing Sword, and Fire Emblem: Fates Birthright/Revelation.
- Includes 101 cards (48 Normal, 25 High Normal, 16 Rare, 1 Rare+X and 12 Super Rare cards), and 14 alternate foil prints (SR+, R+). Each alternate foil print has alternate art instead of the usual art printed on the card.
- There are 83 new cards and 18 reprints from Starter Deck 8.
- Every sealed box comes with 1 Eliwood card and Male Corrin card, or 1 Ryoma card and Female Corrin card.
Genealogy of the Holy War
See featured article: Card List.