'Mistrot 4' has broken its own highest viewership record. In the third round of the finals, the Ace Battle, aired on February 5th on TV Chosun, the ratings reached 14.7% according to Nielsen Korea. This is a 1.5 percentage point increase from the previous week, marking the first place in all channels during the same time slot for eight consecutive weeks, the highest daily ratings across all channels, the top Thursday entertainment show, and the highest weekly entertainment ratings across all channels. The peak rating reached 15.4%.

The last performer of the first round medley team mission was Vitaogirl. Vitaogirl consisted of Yeom Yuri, Jang Hyeri, Yoo Subi, Won Hayeon, and Kim Sanha, and they decorated the stage with the song "Haya." The couple performance by Jang Hyeri and Chun Gil received great applause from the audience, and Kim Sanha performed Yoon Sinae's "Love Affair," earning high praise from Jang Yoonjung.

The final rankings of the first round were 5th place Att Girls (1,788 points), 4th place Vitaogirl (1,797 points), 3rd place Ppongjin 2 (1,879 points), 2nd place Success Train (1,902 points), and 1st place Miss Blue Jeans (1,913 points). Miss Blue Jeans took the lead by adding the National Representative Team's scores.

The first performer in the second round Ace Battle was Jang Hyeri of Vitaogirl. Jang Hyeri perfectly recreated Uhm Jung-hwa's "Poison" and declared, "This is a total attack. I plan to pour out all the weapons I have." Her master score was 1,424 points.

Next, Gil Ryeowon of Miss Blue Jeans took the stage. Gil Ryeowon chose Jawoorim's "Twenty-five, Twenty-one" and completed the performance without major mistakes. Her score was 1,393 points.

Hong Sung-yoon of Success Train selected Lee Sun-hee's "Turning the Pages of Memories." Hong Sung-yoon hit the original singer's distinctive high notes and scored 1,449 points, putting Success Train in sole first place.

Lee Sona dominated the stage with Ha Chun-hwa's "Yeongam Arirang." Her score was 1,452 points, three points higher than Hong Sung-yoon's.

The last performer in the Ace Battle was Yumi of Att Girls. Yumi sang Insooni's "Father," earning a score of 1,394 points.

The final rankings were 5th place Att Girls (3,515 points), 4th place Miss Blue Jeans (3,628 points), 3rd place Vitaogirl (3,663 points), 2nd place Success Train (3,783 points), and 1st place Ppongjin 2 (3,793 points). Miss Blue Jeans dropped from first place in the first round to fourth, while Ppongjin 2 took the lead thanks to the outstanding performance of ace Lee Sona.

The National Representative Team's scores had a significant impact on the results. Although Ppongjin 2 was second overall after adding the Ace Battle master scores, they rose to first place after including the National Representative Team's scores.

A total of 16 participants have secured advancement to the next round. They will challenge the fourth round of the finals, the Legend Mission, which is the last gateway to the semifinals. 'Mistrot 4' airs every Thursday at 10 PM.