Sword-Like Spirit, Guqin-Like Soul (слэш)

'The smoke seemed to push and pull Wei Wuxian about, tugging at his clothes, hair, and limbs. It sucked the life out from Wei Wuxian as his cheeks hallowed and his body began to thin. The whites of his eyes reddened and bruises formed under them.
Blood began seeping through the white of his robes.'
In which, on a very normal day within Cloud Recesses, while Wei Wuxian was walking to the library with Lan Wangji to copy rules of which he was caught breaking, Wei Wuxian is suddenly attacked by a dark cloud of screaming fog. The next time he wakes, he is not the same Wei Wuxian whom is at the Cloud Recesses for classes, but instead the Wei Wuxian of the future. The feared Yiling Laozu who had just lost his sister and who's last memory is of him destroying the amulet.