Duan Tongtian slashed towards the void with his right hand, and a green blade qi flew out and slashed on the stone wall.


    There was a muffled sound of "keng", and there was a shallow cut on the stone wall.


    If it was so easy to mine, the predecessors would have already exhausted it, but Wang Qingshan and others came prepared, it was relatively easy.


    Duan Tongtian flipped his right hand, and a long knife appeared in his hand, slashing towards the stone wall.


    Another sound of metal colliding sounded,


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