You used the Love Gem, Tail Gem, Rumblebee Gem, and the Toprock to go super. Lydia goes surprised, but then she turned into the Witch. You chase after her, and eventually are lead into the RPF HQ. The doors were then locked. The other agents couldn't get in. The fate of the PSA is in your hands. Before the battle, you must first choose one of 5 options.

Defeat Lydia for good

Fight Lydia as a mouse

Betray the PSA then betray Lydia

Befriend Lydia

Fight Lydia in an epic battle