A hyper-realistic game character depiction of Thor, the God of Thunder, showcasing intricately detailed symbolic armor that tells the stories of Norse legends. He wields Mjölnir in his right hand, from which electric blue lightning bolts crackle and radiate powerfully. Thor stands resolutely at the majestic entrance of Valhalla, a grand gateway crafted from ancient stones and covered with mystical runes. His wind-swept hair and cape flow dynamically in the raging storm of energy surrounding him, framed by an epic, cloud-filled sky that accentuates his divine presence. In the background, celestial auroras dance across the horizon, highlighting the grandeur of this mythical realm.