Queen's Blade official visual combat book based on the game Lost Worlds featuring Nyx illustrated by Kuroki Masahiro.

クイーンズブレイド 炎の使い手 ニクス (Queen's Blade - Honoo no Tsukaite Nyx)
Artist: 黒木雅弘 (Kuroki Masahiro)
ISBN 4894255685
Published: June 29, 2007

http://queensblade.net/characters/nyx/