Your gloved hand slides into the icy vent, the emergency strobe painting each crystal shard a scarlet hue as you wrench the frost‑clogged valve shut; a guttural hiss erupts, and the black frost recoils, momentarily halting its relentless crawl along the titanium bulkhead. Yet the silence is shattered by a deep, resonant thrum from the containment‑reactor chamber, as a massive, shadowed silhouette begins to shift beyond the frost‑veiled doorway.