She knew her days as a human were numbered.

6 seconds sound clip from the Rudolph and Frosty: Christmas in July movie soundboard.

You can hear this line at 00:07:28 in the Blu-ray version of the movie.

Quote context

[...]

- The good and gentle creatures returned to the North. First, the animals, and then the little ones, the Kringle elves.

- And I suppose it was Lady Boreal's good grace which led me and my young bride to these North lands.

- The perfect place for me to build my toy factory, and carry out my life's mission, far away from all who would stop me.

- The passing years were good to all of us.

- But Lady Boreal's monumental efforts had drained her of most of her magic, and all of her strength.

- She knew her days as a human were numbered.

- Alas, nothing is forever. But in Santa, the North lands have a kind and true leader. And I may rest with ease.

- And she became again the magic glow of the aurora borealis.

(Wind blowing)

- I am awake, I live again! Winterbolt lives!

[...]