Will Jake Sacrifice Himself?

Yes, Jake does face a moment where he is prepared to sacrifice someone very dear to him, but he is stopped before the act is completed[1].

Jake Sully, the human-turned-Na’vi leader, is portrayed throughout Avatar: Fire and Ash as a father and husband whose decisions are driven by love for his family and his people[1]. Early scenes show Jake comforting Neytiri and insisting that their family is their fortress, establishing the emotional stakes that lead him to consider extreme actions later[1]. When the film reaches a pivotal, Abraham-and-Isaac-like moment, Jake believes a terrible sacrifice may be necessary for the greater good; he answers “With all my heart” when the potential sacrifice asks if he still loves them, and then moves to carry out the act[1]. At the last instant, however, Jake’s hand is stopped and the killing does not occur[1].

That sequence is framed to test Jake’s moral limits and to highlight the conflict between duty to a cause and commitment to loved ones. The filmmakers use Jake’s near-sacrifice to deepen his characterization as someone whose identity is tied to protecting family and community, while also showing the emotional cost of leadership and war[1]. The scene also parallels other characters’ struggles with parental feelings and redemption, such as Quaritch’s relationship with Spider, which informs the film’s exploration of mercy, transformation, and what it means to be “free” from past destructive selves[1].

Sources
https://www.pluggedin.com/movie-reviews/avatar-fire-and-ash-2025/