C203 Plague 4

"Girl, what are you doing?" The old man was shocked. He thought Yunyue wanted to kill him, but he did not expect Yunyue to use that dagger to cut his finger.

"Grandpa, my blood and my blood can save you."

The old man was skeptical, but Yunyue had already held back the old man's junior with one hand. With the other hand, she poured the blood into the old man's throat