详细介绍：Tune in to the NINJAGO Legends: 'Monstrosity' seri…Tune in to the NINJAGO Legends: 'Monstrosity' series! What happens to Kai after he travels to explore the merged lands in Dragons Rising Season 1? This is the thrilling spin-off story! After ‘the Merge,’ Kai finds himself in the dark and dangerous Land of详情