the second tour of exo was announced in january 2015, titled the exo'luxion. five concerts were held in seoul in the olympic stadium, from march 7. one million fans had tried to buy tickets online. on february 4, 2015, s.m. entertainment, signed a lawsuit against kris and luhan by illegally continue their promotions in china. the demand was to stop their actions and the advertisement in the use of the trademark s.m.