Slade considers Zuko for a moment. It seems clear he is not from here, but Slade unfortunately does not yet have all the information on where these new arrivals are coming from. Though seeing Zuko's attire and scar gives Slade a strong hunch.

"There are rumors of people appearing from thin air throughout this city for the past couple days. People not from this world, they say... but...

Tell me, young man. Does the name 'Zuko' mean anything to you?"