Dark Wizard (2) Seirei-tachi no Yabou

is the second volume of the Dark Wizard light novel series, written by Terada Kenshi and Illustrated by Takahiro Toyomasu. It was released under the Dengeki Bunko Imprint in May 1994.

Synopsis
During the battle with the mage Veronese, Wen-li VIII experienced deep sorrow after losing his father, Wen-li VIII, sisters Deora and Helene, who had been close to him since childhood, and his sister, Gina. Now, he secretly organized a volunteer army to fight against the dark forces that are rapidly regaining power, including the Vampire clan, and continued to fight from one place to another. Meanwhile, Ahriman, the dark god who was angry at Veronese's betrayal, created four faithful demons, this time trying to fill the land of Peshawar with darkness. They were a fusion of the spirits of fire, water, wind, and earth, the immortal body of Veronese, and the strong will of the Dark God. The demons were eager to find the key to the release of the Dark Jewel and the resurrection of Ahriman, the now-erased Light Jewel in the Quicksand Universe. Wen-li IX fights to prevent them ...

(source: Amazon JP - Translated)