Majestic game character Thor, the God of Thunder, with hyper-detailed, intricately symbolic armor showcasing ancient Norse symbols, wielding Mjölnir in his right hand, vibrant lightning bolts crackling and dancing around him, standing resolute at the grand gateway of Valhalla. His piercing gaze is focused, framed by a backdrop of shimmering celestial light, with ethereal mist swirling at his feet, casting an awe-inspiring presence. Towering statues of Norse warriors flank the entrance, emphasizing the grandeur and majesty of this momentous scene.