Attack On Titan season 4 reestablishes the Colossal Titan as the show's most terrifying transformation. When anime fans hear the word «titan,» the first image that comes to mind will probably be the Colossal Titan peering over Wall Maria as a young Eren watches on from below. Despite being just one of nine different Titan-shifters, the Colossal Titan's image has become synonymous with Attack On Titan since the 2013 debut of Hajime Isayama's widely-acclaimed series, but the Colossal's ferocity hasn't always been matched by his feats in battle.
When Attack On Titan begins, the Colossal is possessed by Bertholdt Hoover, and kicks down the gate of Wall Maria, allowing his Armored Titan ally and a herd of Titans to pass through unimpeded. Bertholdt later transforms to battle Eren and the Survey Corps at Trost, and again while trying to take Eren back to Marley. Bertholdt's final transformation comes during the Battle of Shiganshina, where he loses the Colossal Titan to Armin, who reveals his new form in Attack On Titan season 4 episode 7.
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Under Bertholdt's control, the Colossal Titan certainly impressed visually, but didn't always fulfill its mammoth potential. Bertholdt's first job was simply to kick a door in and look menacing — a mission he accomplished with aplomb. In his next two battles, Bertholdt only partially transformed, taking advantage of his Titan's steam defense to keep enemies away. Bertholdt fully transforms again during the Battle of Shiganshina, and causes mass destruction with the same attack Armin uses in Attack On Titanseason 4. However, Bertholdt's final battle took place in a ghost town, meaning the true magnitude of the Colossal Titan's
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