These few words were heard clearly by Pei Shan before Zhu Qing used the sound transmission technique, his face changed, and he said, "I just crushed the dragon song bone, it can be described as silent, how did she know?"

The dragon song bone is specially used by the dragon family to send information for emergency help, and it is made of two pieces of cartilage that naturally have special induction in the same keel, one large and one small.

The usage is very simple, just crush the small piece of keel, and the larger piece will emit a similar one

"Cultivating Immortals: Starting from a Heart" Chapter 358 [Fang Ming] is hitting in the hand, please wait a moment,

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