The climax of Their Eyes Were Watching God occurs when Janie shoots Tea Cake with a rifle.
At this moment, Tea Cake is severely ill and displaying erratic behavior. He is accusing her of infidelity and is completely consumed by irrational fears. When Janie discovers a firearm under his pillow, her fear escalates.
When he later seizes the gun and tries to harm her, she defends herself with the rifle, shooting him in the process. This key moment signifies Janie's assertion of her own safety and her refusal to be victimized, even by the man she once loved. It serves as a pivotal point in her development.