"Seven Earth days." 23 encountered some resistance taking the scroll, almost as if there were some sort of temporal membrane around Future Starlight. However, she was able to, and once she unrolled it, she saw it was written in a language she wouldn't recognize, though it did bear some similarities to the indecipherable runes from some of the books in MLP. However, there were a couple of sketches -- the one that stood out the most was a sketch of the Tree of Harmony, annotated with more indecipherable runes.
"Read the scroll. Protect the Princess. If Desert Storm catches her, it will be all over."
"By the time you know, it will be too late. You must---" However, she was cut off as the spell exploded in a flash of blinding light. Present Starlight looked as if she was struggling internally with something, but all of a sudden she snatched up a senzu bean and threw it at Future Twilight just as the spell vanished.