The only spot spared from the light at the bottom of the pool was the square right beneath the iron cage that held the puppet. Since the cage was dangled close to the ceiling, the shadow that it cast was huge, but at the bottom of the pool, the shadow was only medium size.
Feng Bujue dived after checking the desired location. The water temperature that was comparatively lower made his spine recoil instinctively, and then came the discomfort of the petrol rushing into his ears. He used his hands to shield his nose and mouth, and that was how he managed to prevent his respiratory system from being damaged. However, even if he kept his eyes screwed shut, there was still a burning sensation coming from the eyes.
There were two things that he needed to do—find the potion, and once the potion was found, abandon his will to survive and try to drown himself as soon as possible.