Not the slightest expression or he will steal your face.
When Aang finally confronts Koh he sees an atrocious centipede-like creature that switches faces at will.
The creature, with a bone-chillingly smooth voice, recognizes Aang, my old friend, the Avatar.
Its been a long time.
Koh claims he doesnt hold this against Aang, all that was in a past life.
Aang leaves but Koh promises, well meet again.
This never happened on eitherAvatar: The Last Airbenderor its sequel animated series,The Legend of Korra.
She explains that Koh is her son and that, hes been estranged from me since time began.
The legends say that he misses me so much, hes spent all of history stealing faces.
While there, Sokka and Katara are confronted with visions of their past and captured by Koh.
Aang manages to resist the dark pull of these visions and confronts Koh.
Unlike in the animated series, Aang does not need to hide his emotion.
Once again this is confirmed by Avatar Kuruk, who Aang contacts in episode 7, The North.
When Kuruk explains what happened, he specifically says, a predatory spirit came to seek vengeance on me.
He pauses and then painfully lets out, Ummi… Another pause before he continues, My beloved…
Paid the ultimate price.
Ummi, a human, was simply the one Kuruk loved.
Her ultimate price was having her face stolen.
Aang wants Sokka and Katara back but Koh threatens, why would I let you play with my food?
He hunts down people in the Fog of Lost Souls and keeps them trapped until hes ready to feed.
Once that happens, Gyatso warns, their souls will be lost forever.
He contacts the former Avatar who reveals he never defeated Koh.
Roku explains that it represents something that Koh needs and cannot forget.
Its because of her that identity came into this world.
And she is Kohs mother.
Koh longs for the same thing we all do.
When Aang places it on the ground Koh simply stares down as it disappears in a waft of smoke.
Koh retreats away and lets Sokka, Katara, and the other villagers go free.
A force that can never be defeated.
He promised Aang theyd meet again.
It could be in Aangs lifetime or in that of a future Avatar.
Hell always be there.
All eight episodes of Avatar: The Last Airbender are now streaming on Netflix.