As of my knowledge cutoff date in September 2021, there has been no episode of the One Piece anime that shows Luffy using Gear 5. Gear 4, also known as Boundman, is the highest level of Gear that Luffy has demonstrated in the anime. It's possible that future episodes or chapters of the One Piece manga may reveal a Gear 5, but as of now, it has not been shown in the anime. **

As of now, there has been no official announcement regarding the introduction of Gear 5 in the One Piece series. The creator of One Piece, Eiichiro Oda, has not revealed any specific details about when Gear 5 will be introduced. It is likely that Gear 5 will be revealed at a significant moment in the story, but fans will have to wait for Oda to unveil it in the manga or anime. **

Professional wrestling is not considered the deadliest combat sport. While it involves physicality and choreographed moves that can sometimes result in injuries, the outcomes are predetermined and the performers are trained to prioritize safety. In contrast, sports like mixed martial arts or boxing involve unscripted, full-contact combat where the goal is to defeat the opponent, making them potentially more dangerous in terms of potential for serious injury or even death. **

Professional dance training can be extremely worthwhile for those who are passionate about pursuing a career in dance. It provides the necessary technical skills, discipline, and artistic development needed to succeed in the highly competitive dance industry. Additionally, professional training can open up opportunities for networking, exposure to different dance styles, and potential job placements. However, it is important to consider the commitment and dedication required for professional dance training, as well as the potential challenges and sacrifices that come with pursuing a career in dance. **

Professional female athletes in sports such as gymnastics, figure skating, and long-distance running are often known for being particularly thin. These sports place a strong emphasis on aesthetics and require athletes to maintain a lean physique in order to perform at a high level. This can sometimes lead to pressure to maintain a certain body weight and shape, which has raised concerns about the potential for disordered eating and unhealthy body image among female athletes in these sports. **

A professional training qualification is a certification or credential that demonstrates an individual's expertise and proficiency in a specific field or industry. These qualifications are typically obtained through formal training programs, courses, or exams, and are often required or preferred by employers in certain professions. Professional training qualifications help individuals enhance their skills, knowledge, and credibility, and can lead to better job opportunities and career advancement. **

Professional dance training can be worth it for individuals who are passionate about pursuing a career in dance. It provides the necessary skills, technique, and discipline needed to succeed in the highly competitive dance industry. Additionally, professional training can open up opportunities for networking, exposure to different styles, and potential career advancement. However, it is important to carefully consider the financial investment and commitment required before pursuing professional dance training. **

The 5 Elders in One Piece are believed to be extremely powerful individuals within the World Government. They hold significant authority and influence over the world's affairs, suggesting that they possess formidable strength and abilities. While their individual combat prowess has not been explicitly shown in the series, their positions and the fear they instill in others imply that they are among the strongest characters in the One Piece world. **