The fifth personality Jack turned out to have the appearance of Sven, has he also been modified by t

In fact, under Jack's mask is a skeletal face, I don't believe you can observe the Rose Lord, the Light Leaf Lord, and the Bright Bronze Lord** (face). You'll see that Jack's face is a skeletal face without a mouth. Jack must have been transformed, just look at the difference between his left and right hand.

I think he should have been reformed, otherwise he wouldn't be so irritable later.

When Jack was dying in his youth, he was only saved by the doctor and the mechanic, but the mechanic took advantage of the doctor's inattention to modify Jack to experiment with the results of his experiments.

It should have been transformed by someone to become such a good-looking appearance.

It may have been modified by the human body. After all, Jack's body is not the same as ordinary people.

He's based on Jack the Ripper in England, and no one has ever seen his face.

Jack only has two personalities, just look at the deduction specifically.

Jack is a woman who specializes in killing unfaithful to love in history, because he was abandoned by his mother, and was later trained to be a killer ......Because it should have been transformed, otherwise what would you do with a mask? In addition, the milk cloth asks you to tap