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Ou Yangrong remembered seeing a survival video on the internet before, where someone who had fallen into a deep pit used a long rope to tie a heavy object to one end and threw it outside the pit until it got entangled on a tree trunk, successfully rescuing himself.,...and the entire underground palace was trembling, with him.,> Nor did I know how long had passed, until everything suddenly burst into commotion and then returned to stillness.。