Tenet 70 -

He opened the vault. Inside, there was no machine, no bomb, no weapon. Just a mirror. And in the mirror, his seventy-year-old face stared back at him—except the reflection was a newborn child, screaming.

Tenet 1: What's happened, happened. Tenet 2: Ignorance is ammunition. ... Tenet 69: The protagonist is also the antagonist. tenet 70

Forward is the only direction, even when you are walking backward. He opened the vault

"Sir," said Agent Mira, her voice crackling through his earpiece. "The algorithm confirms it. The inversion wave hits in seven minutes. Everyone here will experience time in reverse until we reach the '70' threshold." He opened the vault. Inside

The Last Tenet