Tenet Ending Explained: Neil’s Sacrifice, the Master Twist, and What “What’s Happened, Happened” Really Means

Concept artwork of a lone figure walking toward a glowing circular turnstile as debris shatters in reverse, illustrating Tenet's time-inversion finale

The short answer: The good guys win — the Algorithm never reaches the future. But the real twist is that a future version of the Protagonist orchestrated the entire operation, and Neil — the friend beside him all along — was the masked soldier who saved his life twice, and must now go back in … Read more