Vivian's strength was real. Hao Ren had finally experienced it first hand. Getting hit by the vampire's Lightning Strike at close range was an experience beyond words. As everyone scrambled out of the wreckage, they saw the spacecraft flashing with lights as well as a large number of dead fish and shrimp—if other people actually learned this fish electrocution ability, they would have been rich by now.
Vivian was the only one back on the surface still in good shape. She was immune to her own power—Lily was not. That was why after a fight with the vampire, she was not any better. But, there was another reason Lily was so enraged. It was because of guilt. The vampire maiden was a good person, just that her Physics teacher died a little too prematurely.