Your picture is insanely distorted, even → trees are falling “uphill” *)
and I think you are just expecting too much.
.
That said, the general volume deformation works sufficiently in my opinion,
( general volume deformation at max )
.
while the local one crashes if not used VERY carefully.
( here combined with general volume deformation at 125 )
.
You still need to correct the vignetting corners, e.g. with the Clone tool.
- my dop-file in case it’s usefull → 0O5A0013.CR3.dop (63,5 KB)
*) original added (with DxO Standard preset, no vignetting)