Monomew: Makes an announcement Attention all mons! Report to the gymnasium! I have a surprise for you all~

Lugia: Huh? Why would Monomew make an announcement after the killing game started?

Mewtwo, Lugia, Ho-oh, Groudon, Kyogre, Rayquaza, Latios, Latias Dialga, Palkia, Giratina, Zekrom, Reshiram, Kyurem, Xerneas, Yveltal, Zygarde, Solgaleo Lunala, Zacian, and Zamazenta entered the gymnasium