ratchet and clank fly to quartu in order to find out about the blarg's next move. immediately after realizing that drek intends to destroy veldin with a planet-destroying weapon called the deplanetizer and allow his already-completed planet to take its place of orbit, ratchet swears revenge on drek for his mercilessness. the blarg and drek are pursued to veldin by a vengeful ratchet, and soon a vicious battle ensues. halfway through the fight, drek reveals that he was the one who polluted the blargian homeworld, and did so as an attempt to make a profit from creating and selling the artificial planet to the blarg. he intends to repeat the whole process over-and-over again until he becomes the richest person in the galaxy. ratchet launches drek to his new planet, which is destroyed when ratchet fires the deplanetizer at it, killing drek. chunks of the planet begin to hit veldin causing the duo to nearly fall to their death. clank takes damage and ratchet seems to leave the scene. a distraught clank then prepares to leave veldin however ratchet returns to take clank home and repair him. the duo then walk home together, their bond as friends now cemented.