Parallel to Jimmy’s moral descent is Mike’s completion of his "break bad" arc. After Werner Ziegler escapes the secret lab construction to see his wife, Gus Fring deems him a liability who must be eliminated.
Immediately after winning his license back, Jimmy reveals the entire speech was a performance, mockingly calling the panel "suckers". [S4E10] Winner
This paper explores of Better Call Saul , an episode widely considered the definitive turning point where Jimmy McGill fully embraces his "Saul Goodman" persona and Mike Ehrmantraut commits his first cold-blooded execution for Gus Fring. The Death of Jimmy McGill and the Birth of Saul Parallel to Jimmy’s moral descent is Mike’s completion