[s1e5] The King Of Omashu Info
To prove his identity as the Avatar and save his friends, Aang must complete three specific challenges:
: After the trio is arrested for "vandalizing" the delivery system while using it as a slide, the King of Omashu puts Aang through three trials to save Sokka and Katara from being encased in "creeping crystal". [S1E5] The King of Omashu
: Initially appearing as a "mad" old man, he is actually Bumi , Aang's best friend from 100 years ago. To prove his identity as the Avatar and