Other mistake: When everyone is mounting Lefty after escaping the temple, part of the lava flow directly on the right of the opening goes nowhere and just ends halfway down the screen.
The Legend of Korra (2012)
1 mistake in Enter the Void
Starring: J.K. Simmons, Jeff Bennett, Dee Bradley Baker, Janet Varney
Answer: We do not see what happens. Avatar shows rarely have people killed on screen, so either he got away and was never seen again, or just died right there. As Amon was outed as a bender, he would not go back for his old boss.