Human Face Disease - Tumblr Posts

Spoilers

I'm about to tell them about when Xie Lian almost curses those people with Human Face Disease, and then the second ascension, battle with Jun Wu and the consequent banishment, but I can't remember what happens before that, as in what leads to him deciding to curse them - did that happen before the thing with Lang Qianqiu or after? - so my siblings are now melting my brain.