VM reveal than kneel timett to save tyrion(LOTK), timett will die or not?

By the time Valar resolves, Timett is kneeling, so he cannot be killed. He survives Valar.

Little bit more detail for fun.

Step1: Valar is revealed, Kills initiated.

Step2: Save/cancels - Timett kneels to save Tyrion

Step3: Final Moribund destinations are locked in, when framework checks Timett, it runs into the CANNOT brick wall and leaves him alone.