Skeleton King of the Underworld, adorned in intricately designed Nordic armor, featuring elegant, hyper-realistic and hyper-detailed digital illustration. The regal colors of royal yellow and ultramarine blue dominate the scene, crafted by renowned artists Artgerm, WLOP, Greg Rutkowski, and BROM. The ethereal landscape captures an ominous yet majestic ambiance, accentuating the king's commanding presence and intricate design without imperfections, maintaining clarity and focus, presenting a flawless, mesmerizing artwork.