It's impossible to live without a heart.

And to see you, holding his very own heart in your hands so carelessly made him livid. He had been made by Raiden Ei to serve as a vessel for the Electro Gnosis. It was who he was. Even after being deemed an unworthy vessel for it he spent decades fighting for it.

Yet you held it like it was nothing more than a toy. Scaramouche couldn't even do anything but watch with a tear stained face, too weak from the prior fight to do anything.