Though, the Qi Stones was dim, there was still a significant amount of Qi still left in it, and to them, that little amount of Qi shouldn't cause him to recover fully to that extent.
But when they looked around and saw that the rest of the Qi Stones they placed around his body had been totally drained and had crumbled into dust, they began to accept the fact that, it might have been the case.
Seeing that the Elders had already accepted the explanation Sam suggested, Dara breathed a huge sigh of relief.
But to shatter any form of suspicion, he then hit the nail on the head with the one Long given him.
Albeit he rephrased it slightly by claiming that it was the Dark Qi he had absorbed back when he began to cultivate that allowed his body to hibernate till it has absorbed enough energy to recover rather than claiming it to be his cultivation technique.