The player will confront her in the Team Galactic Eterna Building. The player will briefly see Jupiter at Lake Acuity in the cutscene where your rival has just been defeated by her. You will fight Jupiter at Spear Pillar in a double battle with Mars. After the player defeats the main story, you will encounter her with Mars again in Stark Mountain. If the player battles her and wins, she will quit Team Galactic along with Mars.