C939 dragon bone marrow

Su Xinmo naturally did not want Yuan Beidou to go through too much trouble, hence he told this method to the rest of the demons.

"Spines? Hm? To use your spine as a dragon is indeed a good idea! " The three-sided Demon Child could not help but laugh, "Mister Su is indeed extremely intelligent, truly amazing! This is more and more admirable! "

Su Xinmo said indifferently: "Demon