This is the 13842nd most frequent Russian word.
обернулась
"Turned around" or "ended up."
The word "обернулась" is used in the sense of physically turning oneself around.
Она обернулась, чтобы посмотреть, кто ее позвал.
She turned around to see who had called her.
Here, "обернулась" means transformed or resulted in, indicating a change of circumstances or outcomes.
История обернулась неожиданным финалом.
The story turned into an unexpected ending.
In this case, "обернулась" implies enveloping or wrapping oneself in something.