But Gru dodged it because he used the shrink ray before the lightning arrived, what_are_you responded, in his response, the lightning wasn't at his position, that's how he dodged it. imgflip.com/i/89rwzr
If that's the case Fire>Freeze ray's ice>Lightning. And also think about how the council broke an even larger physic, the council has a fish and according to the laws of physics, fishes cannot live if they're not underwater.