Force of Shadows is a DARK/TIME-themed Booster Pack in the Yu-Gi-Oh! Echoes series. It is the second set in the Echoes series, and the sixth set in the "Cosmic" series overall. It follows the Eyes of Azure set. It is followed by Dark Core of the Graviton Galaxy set.
The set contains cards from the Yu-Gi-Oh! Echoes fan fiction.
The set appears as though one is looking at the night sky. Many of the stars are purple.
It introduces the "Time Guardian", "DXyz" and "Number D" archetypes. Contains more members and support for the "Dark Magician", "Red-Eyes", " ", "Galaxy-Eyes", "Blue-Eyes", "DZW -", " ", "Ruby", "Azure", "Rank-Up-Magic", and "Rank-Down-Magic" archetypes, as well as new support for cards introduced in , , and sets.
- (FOSHS-JP0??) DZW - Dragon Fang (?)
- (FOSHS-JP0??) Galaxy-Eyes Toon Dragon (?)
- (FOSHS-JP0??) Number D39: Utopia Noir (?)
- (FOSHS-JP0??) Number D32: Shark Drake Abyss (?)
- (FOSHS-JP0??) Number D101: Silent Honors Ark of Ignoble Knight (?)
- (FOSHS-JP048) DXyz: Shadow of the Six Samurai - Yami Shien (?)
- (FOSHS-JP049) DXyz: Sea Dragon of Darkness - Leviair (?)
- (FOSHS-JP0??) Darklord Invidebit (?)
- (FOSHS-JP0??) Time Guardian - Eternal Dispair (?)
- (FOSHS-JP0??) Stardust Oscura Dragon (?)
- (FOSHS-JP0??) Rank-Up-Magic Dark Temptation (?)
- (FOSHS-JP0??) Force of Shadows (?)
There are 100 cards in total. Counting cards released with more than one rarity, there are over ??? cards. These are comprised of: