Chapter 81

Rhizome (地下茎) is the 81st chapter of Kazue Katō's Ao no Exorcist.

Demons in Order of Appearance

 * Salamander
 * Sylph

Meister used

 * Tamer

Weapons used

 * Fang

Abilities used

 * Flames of Satan

Techniques used

 * Sylph Bell

Trivia

 * This chapter was originally titled Underground Library (地下図書館) in the Jump SQ. September 2016 edition, but was changed when the chapter was republished in the 18th volume release.
 * Lightning and Ryuji's disguises make reference to Kosuke Kindaichi, a famous detective series in Japan, in particular the film series of the 1970s.
 * The extra panel at the end of the chapter makes a similar joke referencing Sherlock Holmes.