The phrase "achieves the ultimate" is correct and usable in written English.
It can be used when discussing reaching the highest level of success or fulfillment in a particular context.
Example: "The new technology achieves the ultimate in efficiency, revolutionizing the industry."
Alternatives: "reaches the pinnacle" or "attains the highest level".
But that's not the biggest risk for Turnbull if he achieves the ultimate culmination of his life's ambition on Saturday.
Ratti and Claudel, citing the urbanist and author Adam Greenfield, write of "everyware," an invisible network of sensors and cameras that finally achieves the ultimate dream of urban efficiency and security at the cost of anything resembling privacy.
But when he is bitten by an irradiated spider (in the comic) or a genetically altered spider (in the movie) and is suddenly endowed with superpowers, he achieves the ultimate adolescent dream.
The man in the arena, alone in his vulnerability, who reacts bravely and intelligently to a particular set of circumstances and then becomes proactive in finding a way to bend them to his will, is the man who achieves the ultimate.
As he and his fellow freedom fighters kill wave after wave of Marines or former Marines or whatever they are, he achieves the ultimate prize: He is accepted by the natives and can spend the rest of his life in their excellent culture.
Her dedication also leads to a compassionate understanding of her underprivileged students, and she achieves the ultimate breakthrough when she informs them that they aren't the first young people besieged by problems.
This summer he achieved the ultimate: a place of his own.
"You compete to achieve the ultimate, and that's a championship".
It's all a blur once you've achieved the ultimate".
And Facebook appears to achieved the ultimate coup: threatening to unseat the mighty Google as the superpower of the web.
He "had aspired to and achieved the ultimate luxury", it concluded, "an existence unmolested by the rumbling of a soul".
