It was easy for these two elders to know who had killed Young Miss Pei Suya. Aside from them, there is only Qin Yaoyun who could have done so. The Qin Family is well known for their techniques to attack one's soul. It was a move that is not only invisible but also lethal especially for those who are weaker than its caster.
Seeing the death of her granddaughter, the Holy Witch isn't angry that her granddaughter was killed, instead she laments about losing such a good pawn for her use. There are lots of ways to control such a greedy person now another bitch has killed what is her. As for the Divine Farmer, he didn't care much. The so-called grandchildren of theirs were all artificially made using his dao companion's witchcraft. In his eyes, they aren't living beings by toys created using their blood as a medium.
