The erasure effect of the covert-operation drone would only last for an hour. Not many things could be done in that short time, but if used correctly, the drone could still observe many things.
Hao Ren had now a rough idea about the Heart, which was the crystal planet he saw in the illusion. He knew that it was the goddess of creation who created the planetary system, where the 'heart' was located. There, spacetime and everything did not entirely work according to the law of the universe. The most striking example was the independent movement and manual control of the celestial bodies.
