As a farewell to the Arrowverse , the season featured several high-profile cameos:
Showrunner structured the season into two primary "Graphic Novel" arcs to maximize the limited episode count. Arc 1: Rogue War (Episodes 1–5) The Flash - Season 9
The final four-part saga brought the series full circle by revisiting the origins of Barry’s journey. As a farewell to the Arrowverse , the
Both returned to assist in pivotal moments, reinforcing the theme of legacy. As a farewell to the Arrowverse