I want by the following sentence to express that death causes anxiety for souls:
And why do souls become anxious of it?..
It refers to death
I have looked for the phrase, but it gets corrected each time for "anxious about". I think those two phrases are kind of opposites to each other because, here, souls are not concerned about death but afraid (anxious to be more precise) of it.
Also, I want to preserve the sentence structure as it is if possible.
So, is anxious of right to convey the intended meaning (in bold)?