The Book of the Dead.

Among the cobbled stone streets at dusk, walks a young nun quietly making her way as she sees there in the distance a shadowy figure.
And as she walks, the shadow grows closer to her, soon she is face to face.

A man with a porcelain face, and eyes as dark as the shadows he cast.
"Help me" he begs.
The nun looking away from his beauty so as to not sin herself.
"What can I do for you mister?" She asked.
And the man said:
"Help me, for I have become a monster!"
Well before the young one could answer his cry,
His eyes changed to a darker color resembling that of blood.
Taken back by his new appearance, the nun grabs for her cross, a silver one about her neck, but alas it crumbles like ash in her hands.
And he showed her what he was, his face still like that of a doll, but long teeth now protruding from his mouth.
And she cried not for her own soul, but for his, knowing he would taste of her blood, and damn himself further.