Seriously, at this point, what braindead idiot would even think about challenging Korra?
Legend of Korra (c) Nickelodeon
Just to be safe, these screenshots from Legend of Korra are from Legend of Korra drawn by the makers of Legend of Korra who also hold the rights for Legend of Korra.
This is a parody made for entertaining purposes ONLY.
I take no credit for the artwork.
It's only entertainment from fans for fans.