A boy named "Han Xen" born with failed heart Still has life essence by his mother life magic.When he became 15 , Han Xen got selected in magic academy with wind affinity out of fire,water,wind and Earth. Han Xen loved a girl named "Wu Xia" . But in an accident , she died.
When Han Xen heard that news, he got emotional and in that moment his heart changed into Dark colour with Black smoke releasing from it periodically. Even after Han Xen calmed down ,His heart still remain the same.
Everyone thought he was born with failed heart but instead he was born with a curse because of his parents actions.