Answer
Under Jørgen Vig Knudstorp's leadership, the Lego Group introduced the Lego Ninjago product line in 2011. This line, which features ninjas, dragons, and other fantasy elements, became a major success for the company, spawning animated TV series, movies, and a wide range of merchandise. Lego Ninjago is an example of the company's focus on innovation and storytelling under Knudstorp's guidance.