"That you do." It wasn't the best heart nor the strongest, but his heart knows several things. To follow it and at the end of the path, there's Wei Ying. Lan Wangji is grateful too, to share his pain, his burden, and sorrow, but also joy and happiness.

"You're my soulmate, Wei Ying. I will stay by your side and follow you forever." He softly kisses him on the lips and gives his fox a well-deserved hug.