"I am very smart. I went to the best Medacad in Osiris, top three percent of my class, finished my internship in eight months. "Gifted" is the term. So when I tell you that my little sister makes me look like an idiot child, I want you to understand my full meaning. River was more than gifted. She... she was a gift. Everything she did, music, math, theoretical physics—even-even dance—there was nothing that didn't come as naturally to her as breathing does to us."
― Simon Tam (Firefly)
The power to embody the "master of all" archetype. Variation of All-Rounder.
The user is the "master of all", excelling at virtually everything to the extent that specialists are virtually redundant. They can pick up new skills with ease and intuitively understand whatever they need to.
Due to their ability to connect to every member of the Ackerman clan before them and gain their battle experience, Levi and Mikasa Ackerman (Attack on Titan) excel at virtually everything they try and are renowned as two of the strongest warriors of the human military.
Even before becoming Femto of the Godhand, Griffith (Berserk) was renowned for his otherworldly beauty and charisma, on top of being a master of swordplay, politics, and strategy.
Genryūsai Shigekuni Yamamoto (Bleach) was one of the strongest Shinigami to have ever lived, having mastered all known forms of Shinigami combat during his more than 2,000 year lifespan...
One of the few Shinigami rivaling Yamamoto, Sōsuke Aizen (Bleach) excels at nearly everything, from swordsmanship, to spell casting, to scientific expertise, to manipulating others, to even calligraphy.
Teresa (Claymore) was once the No. 1 Claymore in the organization,
Superman (DC Comics)
Rapunzel Corona (Disney's Tangled) is a master of virtually everything, including cooking, painting, chess, pottery, candle making, sewing, ballet, ventriloquy, and playing the guitar...
...to the point of casually entering the Challenge of the Brave and outperforming everyone who'd spent much time heavily training for the event, all while treating it as a fun way to spend a Saturday.
Zamasu (Dragon Ball Super) possesses such prodigious talent and skill that he was promoted from the North Kai of Universe 10 to an apprentice Supreme Kai.
As the Potara Fusion of Goku and Vegeta, Vegito (Dragon Ball series) possesses two lifetimes worth of combat experience from two of the multiverse's greatest mortal warriors, including combining Goku's fighting instincts with Vegeta's tactical genius.
Like his counterpart, Vegito, Gogeta (Dragon Ball Super) is a "master of all".
Angels (Dragon Ball Super) excel at everything they do. They're stronger than Destroyer Gods, have greater magical versatility than Supreme Kais, have mastered Ultra Instinct, and are highly intelligent.
Kim Possible (Kim Possible) can do anything; she's a the captain of the Cheerleading Squad, Yearbook Editor, on the Honor-Roll, and is on-call to deal with local and international problems ranging from babysitting to diverting avalanches, saving hot-air balloonists from Hurricanes, or stopping a Rhino stampede.
Over the course of his life, Jack (Samurai Jack) has been trained in every single art of combat (amongst other skills) there is, and mastered them all.