I always can't hear clearly about "of", especially in "of the".
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question should include more details than have been provided here. Please edit to add the research you have done in your efforts to answer the question, or provide more context. See: Details, Please." – user3169, ColleenV
It absolutely depends on accent. As someone with an English West Midlands accent, I pronounce it as uv.
No one would ever right like this, but if you wrote literally how it's pronounced where I'm from then it would be written as Kingdom've the Crystal Skull.