Fortress Maximus
Series: Titans Return
Year: 2016
Allegiance: Autobot
Class: Titan Headmaster City
Tags: Prime Wars
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Fortress Maximus is the ultimate weapon. In his alt mode, he is a city, a headquarters the Autobots can use as a base of operations. In battle, his sheer size makes him almost unstoppable. He is one of the few known Titans that remain in the universe. Whoever controls him controls a weapon of unimaginable magnitude.