In the ancient realm of Khmer folklore, envision a noble Khmer warrior and his ancient adversary locked in an eternal struggle for supremacy. Craft vivid details of the Khmer warrior adorned in ornate armor, reflecting the intricate craftsmanship of Angkor Wat's grandeur. Describe his weapon, a sacred relic imbued with Khmer inscriptions, symbolizing his mastery in both combat and intellect. Delve into the warrior's unwavering determination, mirrored in his piercing gaze and the regal headdress adorned with precious gemstones, marking his noble lineage.