User:GodKingReiss/Sandbox

The rumbling (地鳴らし) is a cataclysmic event involving Karl Fritz's Wall Titans marching upon the earth. It was a key deterrence factor for the Subjects of Ymir on Paradis Island until the year 854 when Eren Yeager unhardened the Walls and began the rumbling.

History
During the final days of the Great Titan War, King Karl Fritz used the power of the Founding Titan to raise three Walls on Paradis Island: Maria, Rose, and Sheena, each named for the three daughters of Ymir Fritz.