The Walls (壁 Kabe?) were three large structures located on Paradis Island that guarded the remnants of Eldia.[2][3] They were built by the 145th King of Eldia, Karl Fritz, a century ago using countless Colossus Titans.[1] They stalled the other nations from attacking Paradis, under the false threat that the King would unleash the Titans inside upon the world if they did so.[4][5] The Walls crumbled about a century later when Eren Yeager used to the power of the Founding Titan to free the...