“There is the mark of our bargain, and here is the challenge,” said the Yiling Patriarch. “You may strike at me, exactly once, with your sword. I will not fight back; I will not resist you at all, Hanguang-jun.” That silvery suggestiveness crept into his voice again. “And a year and a day from now, you will come to me and I will deliver exactly the same to you.”
Source: rare the man who’ll hold to faith, by Fahye – 陈情令 | The Untamed (TV) [Archive of Our Own]
An utterly heartstoppingly amazing AU, in which Lan Wangji strikes a bargain with the mysterious Yiling Patriarch. And then, with four days to spare, there’s Wei Wuxian. The Yiling Patriarch’s… husband?