Which film franchise features the character Katara who is a waterbender?

Avatar: The Last Airbender

Which city was Paul’s destination when traveling to Rome, but before shipwrecking on Malta? Who portrays the Ancient One in Marvel's "Doctor Strange"? Which Marvel character hails from Asgard and wields the sword Hofund? Which dairy-based beverage is fermented with probiotic bacteria and has origins in the Caucasus region? Which grain is traditionally used to make Japanese sake?