Ai browses through a LINK VRAINS message board about Playmaker and finds a hidden message from the EARTH Ignis requesting to meet Yusaku. Yusaku and Ai go into LINK VRAINS, where they meet the EARTH Ignis, Earth, who takes them to a separate world. Earth expresses his desire to duel Playmaker in order to discern humanity's true intentions, where it is revealed in a flashback that the WATER Ignis, Aqua, told him that the Ignis will soon be divided in their stance on humanity and must one day decide whether to coexist or forever be at odds with humans...