Assigned by Reward Required Location Preceded by Followed by Land on Brink Island and search volcano for eco seeker is a mission in The Lost Frontier. After successfully boarding the Phantom Blade, Jak confronted Captain Phoenix, quickly turning into a brawl. During the fight, Jak accidentally knocked the eco seeker out of Phoenix' hand, causing it to fall out of the window and into the Brink volcano below. Keira Hagai demanded a truce between the two until they got it back, and Phoenix and Jak thus raced each other for the artifact.