9 : Attack Titan < 2025-2027 >

: The power first manifests in Eren Yeager during the Siege of Trost (Episode 9). In a moment of absolute despair—swallowed by a titan and surrounded by the dying—Eren’s raw anger and vow to "exterminate every last one" triggers the transformation, symbolizing a rebirth through sheer willpower. Transcendental Abilities

Sooo,since the attack titan "always fights for it's freedom" - Facebook 9 : Attack Titan

While many titans possess physical specializations—the size or the Armored’s plating—the Attack Titan’s true strength is metaphysical. : The power first manifests in Eren Yeager