Of his family, Amphorae was the first to breakthrough. That deep sleep she entered into while Dyon was wreaking havoc in former Sprite Alliance territory actually lasted almost thirty years. When she woke up, she had gone from the Higher Dao Realm to the Peak. After consolidating her foundation, she directly broke through, becoming the first to conquer those 9999 steps.
The next was Madeleine. In reality, Madeleine should have been the first to breakthrough. After all, she had [Reincarnation of Heaven's Staircase]. It had to be remembered that this technique allowed phoenixes to directly enter the Higher Existence Realm, skipping over the tribulation, as long as they reached the Peak of the Dao Realm on their own.
However, Dyon advised her against it. Instead, just a few years after Amphorae, she entered under her own strength. It was only then she used [Reincarnation of Heaven's Staircase].