in ratchet and clank all for one how do you beat the boss

Sony: “Watch the 5th video in the Ratchet & Clank: All 4 One gameplay series and get a look at one of the spectacular bosses and co-op moments that you’ll find when you play Ratchet & Clank: All 4 One. When Dr. Nefarious’ plan to unleash a light-eating Z’Grute on Luminopolis backfires, it falls to Ratchet, Clank, Qwark, and Nefarious to defeat it.”