her body refused to gives up while it almost turns into the dust and it seems she starts to transforming I, undyne will strike you down!! . her body pupils turn white, and her sclera turns black. She no longer has an eyepatch, and her newly revealed empty eye socket emits a flashing light in the shape of a spear. Her hair spikes at the ends like a trident and her fin rays become more rigid and pointy. With new determination armor . Youre gonna have to try a little harder than THAT