Slayers Vol. 11: Crimson Delusion (Japanese: クリムゾンの妄執 Romaji: kurimuzon no mōshū) is the eleventh book in the Slayers novel series, written by Hajime Kanzaka and illustrated by Rui Araizumi. It was published in 1996 by Kadokawa Shoten Publishing. Neither TOKYOPOP nor any other publishing company has plans for releasing it in English.
Lina and Gourry come across a notice attached to a doorpost directing all mages to report to their nearest Sorcerer's Guild. Upon doing so they discover that the chairman of the Crimson City's Sorcerer's Guild has rebelled and taken over the city for himself. After being implored by a girl named Aria to accompany her to Crimson City, Lina and Gourry set off.
- Lina Inverse
- Gourry Gabriev
- Aria Ashford
- Bell Ashford
- QP's Slayers Page - QP Diana's summary of Novel 11