Borderlands 2 game scene, Splinter Group puzzle, realistic textures, detailed environment, underground sewer, dim lighting, neon green sludge, rusty metal pipes, graffiti walls, puzzle mechanism, rats, mid-action, player character holding a gun, focused expression, dynamic shadows, wide-angle shot, high contrast, interactive objects highlighted, immersive atmosphere, first-person perspective, vibrant color palette, intense mood, high-resolution textures, complex level design, ambient occlusion.