I wrote this a while back, but for context, this character was the literal embodiment of hate in that story:
She turned her head sideways and found a family hiding in a dark alley. Her eyes betrayed such coldness that the parents were frozen in fear instantly. She slowly approached them with graceful steps and once she was close enough, she whispered something into the ear of the father, and then she moved on to whisper something into the ear of the mother.
At once, they were overcome with severe hatred, and they started killing each other in front of their child. The little girl was holding a teddy bear and quaking visibly. She looked like she was about to scream, and her tears were about to burst out of her eyes.
She wanted to scream, but Samantha put one finger on her lips, caressed her face, and gave her a flower. The girl ran away crying, but Samantha stood there, relishing the taste of the suffering she had just caused.