Fire Emblem 0 (Cipher): Flame, Steel, Thought and Grief (炎と鋼と想と哀と, Honō to Hagane to Omoi to Ai) is the thirteenth booster pack released for the trading card game Fire Emblem 0 (Cipher). It was released by Nintendo on June 28, 2018 in Japan.
The key art is illustrated by Sachiko Wada, Daisuke Izuka, and Kotaro Yamada. The characters for this series are taken from Fire Emblem: The Blazing Blade, Fire Emblem: Shadow Dragon, and Fire Emblem Heroes.
- Includes 102 cards and 14 alternate foil prints (SR+, R+) and two secret rares (R+X).
- There are 84 new cards and 18 reprints from Starter Deck 10.
- Each sealed box comes with 1 of 2 promos for the upcoming series (Lucina or Corrin (Male)), 1 of 2 promos celebrating the 3rd anniversary of Cipher - (Marth or Chrom and five exclusive booster box only sleeves (two different variants)
Fire Emblem: The Blazing Blade 
Fire Emblem: Shadow Dragon
Fire Emblem Heroes
See main article: Card List