Role: The trigger of Third Impact / Instrumentality Shinji is emotionally shattered after the deaths of his friends, the loss of Misato, and his complicated feelings toward Asuka and Gendo. Inside Unit-01, he becomes the deciding factor in whether humanity merges into one existence or returns to individual lives. During Instrumentality, he confronts his fear of rejection and loneliness, ultimately choosing that people should have the ability to exist separately, even if it means suffering.

Role: Shinji’s emotional counterpart and Eva pilot After being defeated by the Mass Production Evas, Asuka awakens within Unit-02 through her connection with her mother’s soul. She fights fiercely during the final battle, showing the confidence and determination she had been missing. During Instrumentality, she represents Shinji’s struggle with intimacy, vulnerability, and the fear of being hurt by others.

Role: Key figure in initiating Instrumentality Rei merges with Lilith after rejecting Gendo’s plan to control Third Impact. She becomes the giant Rei/Lilith form and gives Shinji the power to decide humanity’s fate. She represents identity, self-worth, and the question of whether a person exists only because of their purpose.

Role: Shinji’s protector and NERV officer During the attack on NERV, Misato tries to get Shinji to Unit-01 so he can stop SEELE. Despite her injuries, she pushes him forward, acting as a final source of encouragement. Her actions show her determination to protect Shinji and humanity, even while carrying her own emotional scars.

Role: The person attempting to control Third Impact Gendo begins the final stage of his plan by using Rei, Adam’s embryo, and Lilith to reunite with Yui. However, Rei rejects his wishes and chooses Shinji instead. His actions reveal that his obsession with seeing Yui again has guided almost everything he has done.

Role: The soul inside Evangelion Unit-01 Yui’s presence inside Unit-01 is crucial to Third Impact. She protects Shinji and ensures that humanity has the choice to return after Instrumentality. Unlike Gendo, Yui believes humans should have the freedom to choose their own existence.

Role: Symbolic influence during Instrumentality Although Kaworu died before Third Impact, his presence appears during Shinji’s psychological journey. He represents acceptance and unconditional understanding, contrasting with Shinji’s fear that he is unwanted.

Role: NERV scientist caught in the collapse of Gendo’s plans Ritsuko attempts to stop Gendo from using the MAGI system and rejects his manipulation. Her final confrontation with him shows her anger over being used and her complicated feelings toward her mother, Gendo, and NERV

Role: The source of Third Impact’s power Lilith is the being beneath NERV headquarters that merges with Rei, creating the massive Rei/Lilith form and allowing Human Instrumentality to occur.