Code Geass: Lelouch Of The Rebellion R2 Episode 4 -

: A central theme is Zero’s philosophical question to Guilford: if there is evil that justice cannot defeat, would you "stain your hands with evil to defeat evil" or remain a slave to your own justice?.

: Gilbert G.P. Guilford prepares to execute the captured Black Knights to lure Zero out. Zero appears and challenges Guilford to a formal duel, using a riot shield and a "falling floor" tactic similar to his strategy in the first season's Black Rebellion. Code Geass: Lelouch of the Rebellion R2 Episode 4

: During the chaos, Rolo attempts to kill Lelouch, but Lelouch intentionally takes a bullet meant for Rolo. This act of "sacrifice" convinces Rolo to join the Black Knights, though Lelouch privately vows to dispose of him once his usefulness ends. : A central theme is Zero’s philosophical question