giant parasitic creature, tentacles, slimy texture, monstrous form, sharp teeth, Leon S. Kennedy, action pose, aiming gun, intense expression, survival horror, dark atmosphere, underground lab, bio-organic weapons, high-tech equipment, flickering lights, emergency sirens, dynamic angle, over-the-shoulder view, dramatic shadows, eerie mood, video game adaptation, detailed monster design, gritty textures, metallic surfaces, concrete walls, steel structures, action-packed scene, cinematic lighting, 3D rendering, realistic materials.