7 Souls Black Gem

The UnderWorld is strange nobody even knows it even exists except the ones who live in it. Dark souls are now wandering there but before it was like heavens It's strange dark there. beauty was once living there as an elegant princess and living around different creatures as she holds the gem in her heart that will protect her and also can destroy her will she gets saved or will the creatures die Will she reveal the truth of the darkness to the souls that can take life away only. Can you guess what happened to this world before the earth? Are you a believer in magic?