Is This a Reactionary? Is It a Blight?

"I'm going to use my turn to sneak over to where Nott is and look into the cavern. And right as you turn the corner, you can see now stepping into the light where there is another one of these yatties." "And it looks over straight towards you. You see it was following, it was looking to turn the corner," he says. "Then it was like it had noticed Nott rushing out in the middle of the open and was following a path until you jump in the center".