Blood Fort Andromeda: Outer-Seal, Blood Temple (他者封印・鮮血神殿ブラッドフォート・アンドロメダ, Tasha Fūin - Senketsu ShindenBuraddo Fōto Andoromeda?) is the Temple of Blood that surrounded the Shapeless Isle that was the home of Medusa and her sisters, turning it into a palace of darkness, dyed crimson from blood, where the sun didn't shine. Rider is able to implement it as a Bounded Field that she uses in order to collect magical energy by converting live humans into blood and organic ooze. Using her blood as a material component, she sets up a number of sources around an area to slowly build up energy without leaving a single trace of her existence. It is impossible for Rin to completely destroy it, as new sources constantly appear and old ones are restored. She can only delay its operation date by constantl