You heard from Mei that Mk hadn't returned back so you went out to look for him. You remember that Mk always trains with Monkey King up on Flower Fruit Mountain and you head there fast.

As you finally arrive at the clearing you see Mk being held up just inches off the floor with his staff on the ground and Wukong drinking the blood of his student. You quickly go over and save him and take him back to your place where you keep him safe, but later that night Mk wakes up scared and very hungry