In which Jin Guangyao and Lan Xichen discover something very interesting about the Nie sect, and what exactly a "qi deviation" means when it comes to the main Nie clan. ...also, tigers.

Prompt: Along with forming a golden core most cultivators gain the ability to shapeshift. What they shift into depends on the cultivator, but there are certain tendencies in bloodlines. Jiang Cheng has shifted exactly once in absolute privacy. He didn't stay shifted after finding scales and claws instead of feathers and wings, some sort of reptile from the Yu bloodline. He's since been pretending not to be able to shift at all, but you can only deny your nature for so long.