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.
Night of a Thousand Stars - S2-E11
Korra: You have a battleship?
Varrick: Of course I do! I bought the first one they made! Named her the Zhu Li.
Bolin: You named your battleship after your assistant?
Varrick: Yep! They're both cold, heartless war machines.
Trivia: The paint job of the Zhu Li is reminiscent to the way ships were painted in WWI. The Americans and the British did this because they thought it would make it more difficult for the Germans to estimate their speed and heading.
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.