: Humanity is confined within a massive triple-walled stronghold—Walls Maria, Rose, and Sheena —to protect themselves from "Titans," a race of man-eating giants.
: For 100 years, the walls maintained a fragile peace until the sudden appearance of a Colossal Titan that breached the outermost wall, Wall Maria. Attack on Titan: Part 1
The following information summarizes the core narrative and setting of , focusing on the initial world-building and the inciting events that drive the series. Premise and World-Building : Humanity is confined within a massive triple-walled