"No... I just can't... Just with one hit I'm already..."

"No. I can't accept this. I feel like my body is falling apart, scattering into a million pieces...this must be what Alphys was talking about. This is Determination. Right now, I can feel everyone's hearts beating as one. Everyone's hopes. Everyone's dreams. And we have ONE goal. To defeat YOU! Human... No, whatever you are. For the sake of the world. I, UNDYNE, WILL STRIKE YOU DOWN!!"