It was a good thing that Thieving went directly for the kill because Mirlo noticed it as soon as he began to fall through the air.
Mirlo's raw physical power, including his Perception attribute, was very high. So he heard the sound of a large object falling from above his head and sensed the impending danger.
Mirlo rolled out of the way. It was a slight movement of his body, but his body burst with immense power and made him flash across the room.
But before he could go far, Black Hammer had used Mental Armament on him. Wisps of mental energy from Black Hammer's mind tranformed into sharp needles and sailed towards Mirlo.
Sharp needle formed out of invisible mental power attacked him one after the other. They were invisible so he didn't notice them.