It happens with no warning.
One day she is attending school, avoiding homework, the usual-
-the next she is running for her life through the forbidden forest.
"Oh little girl, no use running."
No warning.
"There's a nice graveyard you need to See."
Just a stunner to the back on her way to visit Hagrid-
"And a Lord you need to speak with."
-deflected by a magical broach (courtesy of Theo who made her promise to wear it.)
"You've quite impressed him."
She runs faster.
Suddenly a pop, then a growl. A glance back, "...Sirius?!"
"Run!"
.
.
.
She runs.