Continuity mistake: When Lin lifts the rocks around the house in the final scene, there are eleven of them. But in the last shot, there are only eight rocks.
The Legend of Korra (2012)
Episode list - season 4
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.