Swap till you drop I'm game for him to have items from other worlds/ characters. There's a lot of modern stuff he wouldn't even recognize. I'm pretty flexible on what it might be here.

ETA: if anyone wants to find some music books from his sect, I'm game, or even one of the copies of the Lan sect rules or a poetry book by Lan An.

For square swapping, I'll offer up meedleplay/piercing if anyone has things they want to swap there.

Treasure
I don't know that he'd be tempted to pick anything up but I'm game to plot things about him with people who are affected.

Inauspicious tides He'll be around probably trying to get people out of harm's way and/or fighting.