The phrase "all of which elevated" is correct and usable in written English.
It can be used to refer to multiple items or concepts that have contributed to an increase in status, quality, or importance.
Example: "The various factors in the project, all of which elevated the team's performance, were carefully analyzed."
Alternatives: "all of which enhanced" or "all of which improved".
Reviewing Slayer's 2001 album God Hates Us All, Blabbermouth.net reviewer Borivoj Krgin described Diabolus in Musica as "a feeble attempt at incorporating updated elements into the group's sound, the presence of which elevated the band's efforts somewhat and offered hope that Slayer could refrain from endlessly rehashing their previous material for their future output".
Garret Hobart evaded the question, but Jennie Hobart believed the conversation to have been the first of a chain of events which elevated her husband to national office.
But they often make engrossing choices, some of which elevate Mr. Durcan's more predictable verse.
How Goethe, with countless contemporaries, shaped a whole civilization is the deeper theme of Boyle's book, the achieved purpose of which elevates it above any critique leveled at specific details.
In addition, the Ca2+ ionophore ionomycin and the intracellular Ca2+ pump inhibitor thapsigargin, both of which elevate intracellular Ca2+ levels, also eliminated ATP oscillations.
It was that sense of professionalism which elevated Idol from cringeworthy hate-watch reality show to heartwarming viewing.
I later learnt that he saw it as preparing the way for the appearance six months later of The Servant, which elevated him to the forefront of living directors.
An enthusiastic dole of savory puttanesca sauce almost wiped out a piece of juicy monkfish, saved by a bed of broccoli rabe, which elevated the fish.
Woolley, Newman, and several critics complimented the film for its unexpected use of black comedy, which elevated the film above its genre's potential trappings.
We hypothesized that melanogenesis was via activation of PPAR γ, which elevated the tyrosinase activity.
