LeBron is the all-time leader in games with exactly 27 points (82), 7 rebounds (229) and exactly 7 assists (220). He has the most games with exactly 7 assists and rebounds (32), and 27 points + 7 rebounds (12). But he has never done all three in the same game. His rounded averages remain 27-7-7
https://www.statmuse.com/nba/ask/the-nba-players-with-the-most-games-scoring-exactly-27-points
https://www.statmuse.com/nba/ask/the-nba-players-with-the-most-games-scoring-exactly-7-rebounds
https://www.statmuse.com/nba/ask/nba-most-career-games-with-exactly-7-assists
https://www.statmuse.com/nba/ask/nba-most-career-games-with-exactly-7-rebounds-and-exactly-7-assists
For those curious, LeBron has only had 27 points and 7 assists six times for whatever reason, which trails Westbrook and Larry Bird. https://www.statmuse.com/nba/ask/the-nba-players-with-the-most-games-scoring-exactly-27-points-and-exactly-7-assists
For his career, LeBron’s averages are 26.86, 7.46, and 7.40. Yet, this very specific accomplishment is one he has yet to reach.