Create a hyper-realistic, extremely detailed image of an anime-style Pikachu in a fierce battle pose, charging up its iconic thunder attack. Pikachu: Electrified, dynamic pose with crackling, glowing yellow electricity enveloping its body. Expression: Intense, determined gaze with slightly ajar mouth, conveying immense energy buildup. Environmental Effects: Dark, stormy background with ominous, foreboding clouds and subtle, flickering lightning. Air distorted by electricity, with tiny, glowing sparks surrounding Pikachu. Style: Hyper-realistic, blending anime's vibrant charm with precise textures (fur, electricity, environment) and intense, electrifying atmosphere, capturing the exact moment before Pikachu unleashes its full thunderous power.