The barrier surrounding the abandoned house, which gives the outsiders a different image of the decrepit abandoned house as a destroyed building, erases all noises from inside. No matter how loud a person's scream or banging the noises are, no one would hear them from the outside.
Who would bother to look and stray around the ruins of a house with nothing but rocks and broken glass and wood?
Also, Fritz cast magic on Felicity because he has doubts about the four men. His Farsight, acquired from the Chandrahas, gave him multiple possibilities for the future. He foresaw that Felicity would be able to kill all of the four men, and she will try to escape. It was among the multiple possibilities he saw while he was sleeping.
"I will go fetch her," said Fritz after putting on a blanket to cover the four men's corpses.
