Duan Surk II (12) Michibiku Mono, Michibikazaru Mono (Part 2)

is the eleventh volume of Duan Surk II and the nineteenth volume overall of the Duan Surk light novel series, written by Mishio Fukazawa and Illustrated by Sunaho Tobe. It was released under the Dengeki Bunko Imprint in June 2009.

Synopsis
The dark demon that nestled in Duan's body has finally become apparent. Clay Juda wields Sid's sword to save Duane. However, the sword broke, and the dark demon dwelled in Lulufet's body and took off. All that was left behind was the injured Duane and the broken legendary sword ... At that time, the desert city of Evelyn was surrounded by a large number of monsters. What is the secret plan that the Knights of Lonza, led by the King, who headed for support, found after a fierce battle ...? The final battle with the Dark Devil finally begins, Volume 12 of the tense series !!

(source: Bookwalker JP - Translated)