Find the Dimensional Map on Savali | Ratchet & Clank: Rift Apart Gameplay Walkthrough - Episode 12
The story begins when Dr. Nefarious steals the Dimensionator and tries to use it to find a dimension where he always wins. He subsequently accidentally damages the fabric of space and time. After traveling through several dimensional rifts, Clank eventually arrives in a dimension where he meets Rivet, who refers to know Dr. Nefarious as "Emperor Nefarious". Rivet and Clank must then reunite with Ratchet and figure out Nefarious' troops.
