What is the rumbling in attack on titan?

The rumbling in Attack on Titan refers to the devastating power possessed by the Titans, which allows them to cause massive destruction by trampling and crushing everything in their path. In the series, it is revealed that the Founding Titan has the ability to control all other Titans, including the ability to activate the rumbling.

The concept of the rumbling is introduced in the later seasons of the series, as various factions seek to gain control over the Founding Titan and its power. It is portrayed as a near-apocalyptic force, capable of wiping out entire civilizations and reshaping the landscape of the world.

As the story progresses, the rumbling becomes a key plot point, with characters on both sides of the conflict struggling to prevent or unleash its power. Ultimately, the rumbling is unleashed in the final episodes of the series, resulting in a cataclysmic battle between the Titans and the remaining human survivors.