The ending of “Avatar: The Way of Water” involves Jake Sully defeating his longtime rival Colonel Quaritch, who had transferred his consciousness into an avatar body. Their final confrontation takes place underwater, with Jake ultimately destroying Quaritch’s avatar. The film concludes with Jake and Neytiri being accepted into the Metkayina clan after losing one of their children in the battle against the RDA forces. The ending provides closure but also sets up future sequels, as some RDA forces escape and Jake makes it his mission to keep his new clan safe from future harm