Sokka's Master

Sokka's Master is the fourth chapter of

Summary
''After the rest of Team Avatar saves a town from destruction by a meteorite, Sokka feels left out as he is the only person in the group unable to bend. He finds a swords master named Piandao to help further his skills as a warrior, forging his own sword out of the meteorite. He and his friends realize just how important he is to their group. Meanwhile, Iroh devises a plan to escape prison and starts bodybuilding in secret.''

Chapter Link
https://www.fanfiction.net/s/9524167/4/Avatar-Titan-Volume-I-Fire-Nation-Showdown