Arthas Menethil on a goat-like creature with Frostmourne from World of Warcraft HD Wallpaper

Arthas Menethil, depicted as an undead figure with long white hair, rides a dark, goat-like creature. He wields a glowing red sword, Frostmourne, and is surrounded by icy blue crystals and fiery skulls. The background features swirling, turbulent clouds in shades of teal and red.