C199 Dragon and phoenix coffin

Nine Stars Connecting Pearls! suddenly thought of a friend of his, Ninth Stage Array Grandmaster Xing Luo had once told him about this formation, the Nine Stars Connecting Pearl Formation was a Rank 4 Formation, this formation was usually used to protect or preserve valuable items. Chu Tianchen looked at the beautiful Holy Maiden, could it be that she knew what was hidden inside? Or rather