Hiei's story is really amazing one ...Don't even know how Togashi have those creative mind to make such amazing story.

A cold cruel boy and a violent story combine with all the feeling and memories together, Female Ice Demon forsake her son, before she die she give him a drop of her tears (which femlae Ice demon's tears turn into gem), the Child growth up as a cruel bandit and seeking for the country he was born for revenge, when he finally found it, stand right in front of his mother's grave, couldn't say anything.