Compared to the combat power Dr. Gero had displayed, Bulma admired his scientific expertise even more. It was the mutual appreciation of top-tier scientists! After conducting a preliminary survey of the research institute's ruins, Bulma was almost certain that Dr. Gero had left another contingency within the institute! It was just that no one knew what exactly this contingency was, or why it had suddenly erupted. Whether it had been an accident or something Dr. Gero had arranged in advance, there was no way to know.