As a farewell to the Arrowverse , the season featured several high-profile cameos:
Grant Gustin's performance remained a highlight, and the "It's My Party and I'll Die If I Want To" (Episode 9) was widely praised as an emotional high point. The Flash - Season 9
Details on and the new persona, Khione
Barry shared his power with three new speedsters—Avery Ho, Max Mercury, and Jess Chambers—ensuring Central City would always be protected. Critical Reception As a farewell to the Arrowverse , the