Bible of Runeterra is an iPhone application designed by Zachery Gentry, offering a simple and sleek tool for exploring Legends of Runeterra cards and constructing decks effortlessly. The program includes a Card Explorer feature equipped with filters and search functionality, a Deck Builder to create custom decks, and the ability to save personal decks. Users can import new decks using deck codes and export their creations to share with others. The app ensures up-to-date cards availability, with the recent inclusion of Bilgewater cards, and promises further updates in the future.

Bible of Runeterra is a free educational and reference tool, providing a convenient way for players to enhance their Legends of Runeterra experience without being officially endorsed by Riot Games.