Design Thor's Stormbreaker—an epic, mythical weapon with a large, double-edged axe head on one side and a blunt hammerhead on the other. Emphasize the rough, forged look with intricate Norse engravings. The handle should be wooden and appear sturdy, wrapped in leather grips. Highlight glowing blue energy flowing through the weapon, giving it a divine aura. Place the Stormbreaker in a dramatic, stormy environment with lightning and thunder, ultra detailed, #clay#