Prompt:

elaborate Viking knotwork, silver, copper, teal, intricate detail, Fibonacci spiral tree of life, tenebrism, glowing radiant colours --ar 5:7 --stylize 250 --v 6.0

精致的维京结纹，银色，铜色，青绿色，复杂细节，斐波那契螺旋生命树，强烈对比，发光的辐射色彩