↑This is most likely a reference to Shinki's second-to-last attack.
↑ 3.03.1Amagimi (尼公), also pronounced "Nikou," is a respectful term for a Buddhist nun. The third chapter of the Shigisan Chronicle (信貴山縁起,Shigisan Engi), the Amagimi-no-maki, depicts the monk Myouren's sister as she searches for his whereabouts. "Air Scroll" (エア巻物,ea-makimono) is likely a pun on "picture scroll" (絵巻物,e-makimono).