That he and Lily are on the same team should lend itself to hilarity, and I am so about them being drunk, enable her so she learns from her poor choices like a regular person her age might Xue Yang, and in exchange, she will offer to braid your hair. Maybe we could have them explore the necromantic part of town too? That would definitely be eye-opening for Lily.

After Xue Yang's heartbreak maybe he and Zuko could intersect? He knows all about doing dumb stuff and hating yourself for it and he won't try to talk to him about it. Zuko will also be getting poisoned so they could collaborate on the quest for the cure or something?