Mildgyth 
"[@MadVillan":](/pony/season-7-episode-discussion-speculation-discussion-reactions-and-spoilers/post/3634115#post_3634115
)
Over a thousand in fact. It's implied that that happened even before Discord came through, given Celestia and Luna were Starswirl's pupils...
The only explanation is that the sirens became immortal and have been around in the human world for that long.
[There is even a ongong series based on that headcanon.](/tags/dazzlings%27+memories)
Senior Moderator
Humata, Hukhta, Hvarshta
Over a thousand in fact. It's implied that that happened even before Discord came through, given Celestia and Luna were Starswirl's pupils...
The only explanation is that the sirens became immortal and have been around in the human world for that long.
[There is even a ongong series based on that headcanon.](/tags/dazzlings%27+memories)