EMily's blood, if it drained, sealed up fast. Any transmitted diseases, she was immune to. She held back the pain by suppressing her pain sensors with electric pulses in her body.
"Nice try. But you shouldn't play with electricity."
Her eyes glowed brighter. And with one of her hands in the merman's mouth, she thrusted the other with great strength at the chest. Since she was at a greater energy, her physical strength rose dramatically, alluding to how the fundamental forces of nature get stronger at greater energies. This connection was to complete an electric circuit filled with 50,000 volts of electricity, that she would be immune to. Since the circuit was between her and the merman, the electricity wouldn't reach the others. But only the merman would receive this, through his head, down his spine, through the heart and into the solar plexus.