Funimation on X: The rumblinghas begun! 👣 [via Attack on

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SiM - The Rumbling (Anime Special Version), SiM - The Rumbling (Anime Special Version), By Attack on Titan Wiki

The rumbling opening tree scene could possibly hint at the idea of the timelines potentially jumping between each other or merging together. Plus bonus for the recent special's beginning scene, Floch's cut

Funimation on X: The rumblinghas begun! 👣 [via Attack on Titan Final Season Part 2] / X

Attack on Titan / YMMV - TV Tropes

Attack on Titan - Rumbling Animated **SPOILER**

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Eren's Rumbling On Marley Begins (English Dub) Attack On Titan Final Season THE FINAL CHAPTERS