Prince William is preparing to take a more central role in the British monarchy as King Charles III battles worsening health issues, according to royal insiders. The developments come amid growing speculation that Queen Elizabeth II had, before her death, signaled her preference for William to succeed her son in order to preserve the monarchy's future.

Sources close to the palace say Prince William, 42, is accelerating quiet efforts to position himself as the next monarch amid fears that King Charles' undisclosed cancer diagnosis is more serious than publicly acknowledged, according to The National ENQUIRER. "King Charles is much sicker than anyone lets on and simply isn't up to the job of running his fractious family, the crown's business interests, and fulfilling the daily duties of the monarchy," a royal insider said.

The situation has reportedly been further complicated by Queen Camilla's increasing influence within royal circles, prompting Princess Kate to issue what sources described as a "damning divorce ultimatum," demanding William take control to prevent the palace from falling further into disarray. Insiders claim that William's move to hire Mishcon de Reya - the legal firm that once represented Princess Diana - signals a break from his father's legal advisors and a readiness to consolidate his position.

"Charles has only been king for a few years and he feels he didn't get his time in the spotlight," another insider said. "He's trying everything in his power to stay at the helm," despite reportedly being advised to rest.

Royal biographer Tom Quinn noted that "succession planning began even before Charles' diagnosis," given that Charles was the oldest Prince of Wales to ascend to the throne. William has increasingly taken on more public duties and internal responsibilities, further fueling speculation that preparations for a transition are already underway.

Parallel to these developments, Princess Kate has adopted a role akin to the late Prince Philip's, acting as a stabilizing force behind the scenes. According to The Times, she has "hugely influenced" key royal decisions while ensuring Prince William remains the public face of leadership. "Like the late Queen and Prince Philip, and the King and Queen, they're a good double act," one palace insider said.

Royal author Penny Junor emphasized that Kate "never tries to outshine" William, instead offering critical support that mirrors the partnership dynamics that defined previous royal couples. "She doesn't outshine William but still has a lot to say herself," Junor noted.

The couple's united front also extends to their family life, as they focus on maintaining normalcy for their three children, Prince George, Princess Charlotte, and Prince Louis. "These are the things he wants: as normal a life as possible; private time for his family; and control over how he organizes his life and work," a source said, adding that Kate shares these priorities.

With King Charles reportedly battling pancreatic cancer and refusing to abdicate despite his declining health, the monarchy faces a delicate balancing act between preserving tradition and preparing for inevitable change. As one royal insider summed up, "The king and William get along but there is friction between them because Charles wants to remain in power and his son is encouraging him to go rest."