Royal War – ‘Death’s Door’ King Charles and Heir Prince William’s Secret Power Battle Exposed – As Camilla Desperately Tries to ‘Future Proof’ Position….See More

King Charles’ health has been a focus of Royal woes, but insiders claim a storm has been brewing behind closed doors.

RadarOnline can reveal a power struggle between Charles and king-in-waiting Prince William has reached a fever pitch, with Queen Camilla getting involved.

An impatient William, 42, is said to be making it clear he intends to modernize The Firm when he takes over the throne.

A royal insider said: “Charles’ lifelong plans for his reign are already being eclipsed by William’s fresh plans.”

During his November trip to South Africa, William told reporters: “I’m trying to do royalty differently – and I’m trying to do it for my generation. I’m doing it maybe with a smaller ‘R’ in the royal.”

While it’s unclear if William’s promise was intended as shade against his traditionalist father, 76, sources claimed his vision for the monarchy’s future has added to the tension between the father-son duo.

One source explained: “Their dynamics have shifted.

“Charles has wanted to be the monarch for decades. Even though he’s battling cancer, he’s not letting that get in the way of his desire to be a dynamic leader.”

Meanwhile, a separate insider claimed: “William is already preparing for his ascension.

“Like his father, he takes being a success in the royal role very seriously.”

As RadarOnline.com reported, a source said: “Charles is a workaholic – he has accumulated over 500 royal patronages that he and Queen Camilla support.”

But William has publicly stated his cancer-stricken wife, Kate Middleton, 42, and their children – Prince George, 11, Princess Charlotte, nine, and Prince Louis, 6 – will remain his top priorities.

A royal insider added: “(William) also take on fewer patronages too and focus on causes most important to him and Catherine, like environment, mental health, and homelessness.

“William doesn’t want to waste money or time on fringe projects. He wants it to be earmarked for his homeless projects, for example