The mystery of the theatre's cellar and its supernatural elements (Chinese Phantom, hidden passages, spider infestation) as an environmental/supernatural force

Chang

The Doctor searches the theatre cellar for evidence of the Chinese phantom’s cursed plot, tossing aside props to uncover a hidden entrance. His investigation is interrupted when a spectral figure …

The Doctor lands roughly onstage after Weng lures him into a perilous chase through the rafters, only to find Jago crumpled nearby from the same assault. Ignoring his own bruises, …