How to pronounce “final act” in English

In their final act of vengeance, exactly what Abdel Kader foretold or feared what happened in fact happened, which was that the jihadists grabbed every manuscript

But in their final act, this is what they left behind.

At this point, this is when the final act of my story unfolds, which is the incredibly elaborate though

A waste of life fueled by machismo or madness, thrill seekers trying too hard to get noticed by corporate sponsorship, lunatics climbing in a final act of escape,