XO Planet #4 – The EℓyXiOn was the fourth tour of South Korean-Chinese boy band Exo. The tour was officially announced on October 19, 2017 and began in Seoul's Gocheok Sky Dome on November 24, 2017.[1]
EXO announced the encore of this tour (The Elyxion [dot]) in two countries: Seoul, South Korea on July 13th, 14th and 15th and Macau on August 10th and 11th.