power cell, Horizon Zero Dawn, video game, ancient ruins, Nora territory, All-Mother temple, underground bunker, high-tech, Carja territory, Maker's End, tall building, top floor, Faro office, snowy mountain, Grave-Hoard, old war room, hidden compartment, GAIA Prime, climbable tower, secret entrance, Sylens' workshop, purple lighting, mechanical design, detailed textures, post-apocalyptic environment, third-person view, ambient occlusion, dynamic shadows, realistic materials, action-adventure theme, exploration, quest item, collectible, detailed environment, interactive object.