The Advent of Insanity Arc follows the story of Seth Knighthorn, a former test subject for the Magical Research Association, and his battles against his former tormentors. Joining him is another escaped subject, Spring, as well as some members of the Fairy Tail guild, among others.
- MRA researchers.
|Seth Knighthorn · Spring · Chaos Magic · Magical Research Association|
The Advent of Insanity