Lu Bu game boss design sheet, featuring Red Hare horse and Sky Piercer halberd (Fang Tian Hua Ji), dark evolution form with dual-form comparison layout. Show the base form and evolved dark form side by side, with detailed armor design, weapon specifications, and the iconic warhorse. Include design notes, color palette, and scale reference. The overall style should blend historical Three Kingdoms character design with dark fantasy game aesthetics, featuring ornate armor details, glowing dark energy effects on the evolved form, and dramatic pose compositions.