Ultimate X

Ultimate X Zoids are a special kind of Zoid featured in the Zoids: New Century anime.

Overview

The Ultimate X is described as a legendary Zoid of extraordinary power, shrouded in rumour and widely considered to be nothing more than a myth. The mystery of the Ultimate X forms the major recurring subplot of the series. There are only two Ultimate X Zoids: the Liger Zero and the Berserk Fury. The secret of the Ultimate X lies in its black box, which contains an "Organoid System" (not to be confused with literal Organoids or the Organoid System of the Battle Story). It is described as a self-supporting artificial intelligence program that allows the Zoid to learn and develop on its own. As a result, every time an Ultimate X is defeated, it emerges with even greater power than before. Ultimate X Zoids, therefore, appear to be fully sapient beings, posessing far greater intelligence and autonomy than their merely sentient, animalistic brethren.

Ultimate X Zoids act upon their own whims and desires. They are extremely fickle and display unique personalities; the Liger Zero was free-spirited and independent, while the Berserk Fury was hostile and competitive. Ultimate Xes bond with their pilots, and only special "chosen ones", such as Bit Cloud and Vega Obscura, are capable of piloting an Ultimate X. Character seems to matter more to them than skill, as the Liger Zero systematically rejected pilots despite their skill and/or experience, but chose Bit after he treated it with respect and recognized its potential. (If only more humans could be so discerning about their partners!) When Bit took it for granted or tried to boss it around, the Liger Zero ignored him.