[He doesn't understand. The pain caused by Mettaton's magic lessens, and he can only stare in silent confusion as he talks.]
Y-you...
[He trails off, not sure whether to be angry or start crying. Maybe a little of both? He isn't sure what Mettaton is talking about at first, until he feels magic tugging at something in his chest.
A heart-shaped gentle glow in the center of his chest. Asriel didn't even have to question what it is, he's seen monster souls enough times for him to realize what exactly Mettaton had done to him.]
T-that's... [His voice comes out weak and soft, in stunned awe. Thick tears form in his eyes in an instance as his mind struggles to accept what he's seeing.]
no subject
Y-you...
[He trails off, not sure whether to be angry or start crying. Maybe a little of both? He isn't sure what Mettaton is talking about at first, until he feels magic tugging at something in his chest.
A heart-shaped gentle glow in the center of his chest. Asriel didn't even have to question what it is, he's seen monster souls enough times for him to realize what exactly Mettaton had done to him.]
T-that's... [His voice comes out weak and soft, in stunned awe. Thick tears form in his eyes in an instance as his mind struggles to accept what he's seeing.]
That's... my soul?