During the Ending of the end:

Before the attack on Canterlot, but after Discord confession, Heaven want some private time with Twilight before all begins.

- Twilight – So Heaven, you want some time wit hme?

- Heaven – Yes. I was inform about Discord and the three enemies situation, and i know something big it’s coming for us, but before everything begins, i….

- Twilight – Yes?

- Heaven – Twilight, i will prepared the Crimson Legion and our friends to the battle. And after your ceremony of coronation, there is something very important i want to tell you. Will you wait for me until then?

- Twilight – Of course, Heaven. When all this is solved.