"Action finale" means the final or last action. It refers to the last step or effort taken towards a goal or the conclusion of a situation. Full definition
This gets an extra point for an exciting action finale, but loses several for a hero who may try your patience well before then. (metacritic.com)
And as for the big action finales, well, the less said, probably, the better. (theatlantic.com)
squanders an interesting opening on a generic action finale there's nothing offensively terrible about it.This is a low - budget (8 million dollars) original sci - fi concept starring two women and multiple people of color, there's credit to be given to Scott Free Productions, 20th Century Fox, and Scott for producing a movie that seemed to approach film - making exactly the way it should be done with diversity. (theyoungfolks.com)