The Bible of Silver Cross (銀十字の書 Ginjūji no Sho) is a tome accompanying Lily-Strosek, and is an EC Reactor associated with Eclipse and Divider. It might be a is a::Lost Logia around which appears in::Magical Record Lyrical Nanoha Force revolves, as it is described in the prologue as "one of the unerasable histories at the Ancient Belka wartime".