The phrase "a devastating turn of" is correct and usable in written English.
It can be used to describe a significant and negative change in a situation or event.
Example: "The news of the company's bankruptcy was a devastating turn of events for the employees who had dedicated years to their work."
Alternatives: "a tragic shift in" or "a heartbreaking change in".
This was a devastating turn of events.
She has a devastating turn of phrase, too.
He received a long pass from Alex Song, controlled the ball on his chest, and with a devastating turn of speed burned off two Olympiakos defenders.
Eskendereya is bred to run all day, and has demonstrated a devastating turn of foot in winning three of his five career races.
She was on a four-race winning streak and showed a devastating turn of foot in winning the 2007 Kentucky Oaks by four and a quarter lengths.
He showed that writers can be a force for social change, especially... armed with money, a well-stocked address book and a devastating turn of phrase".
This was a devastating turn-of-events for the British, for it left command of the British forces in the hands of the incompetent Abercrombie, who then dawdled in indecisiveness.
The rest were presumed dead, a devastating turn for one of the most remarkable success stories in the tumultuous, scandal-plagued world of Brazilian soccer.
In that sense, as a product of the 60s counterculture, Dunning's loneliness proves to be a particularly devastating turn of events that the film unspools quietly.
The romantic idyll that results, one of the cinema's most delicate depictions of young married love, also takes a devastating turn.
He was a warm order to gain his second top-level success in the final race on Arc day and after travelling well throughout, the 8-11 favourite showed off his devastating turn of foot to secure an emphatic victory in the hands of Harry Bentley.
