Changes

In ''[[Six Degrees of Destruction]]'', [[King Zenoheld]] used Farbros against the [[Legendary Soldiers of Vestroia|Six Ancient Soldiers]], so as to acquire their Attribute Energies. At that time, Farbros was still incomplete, functioning at only 90% in terms of response time. However, it more than held its own against all six for a time. Zenoheld It later equipped Farbros with used the Assail system, allowing it to completely overwhelm all six of the Ancient Soldiers. Despite winning, its adversaries escaped, eluding Zenoheldformation.

Later in ''[[Avenging Spectra]]'', King Zenoheld used Farbros to battle [[Gus Grav]] at the [[Vexos Motherpalace]]. With It later used the Assail formation, Farbros effortlessly annihilated [[Blast Elico]] and [[Hexados]] and won against Gus and Vulcan.

In ''[[BT: The Final Battle]]'', King Zenoheld used Farbros again to battle [[Cross Dragonoid]] and [[Helios MK2]]. Despite its advantage from Clay's Trap Field, Farbros was overwhelmed by [[Twin Destructor]] and Zenoheld was forced to maximize It did not use the Trap Field's output, putting severe strain on Farbros. Despite winning and acquiring the final Attribute Energy, Farbros subsequently exploded from the pressure put on its body.Assail formation

Later, in ''[[An Heir To Spare]]'', Farbros is repaired and upgraded, now compatible with the Alternative Weapon System. It brawled against [[Dryoid]] and was slightly outmatched until it became used the Assail Farbros. Dryoid was subsequently defeated and Hydron was capturedformation.

In ''[[Ultimate Weapon]]'', it battled against [[Spectra Phantom]] and [[Helios MK2]], who almost destroyed Farbros. It later turned into [[Assail Farbros]] to overpower Helios, who in turn forms [[Maxus Helios]] and returns fire. After Rex Vulcan joined the battle, Farbros detached from the Assail formation and equipped itself onto the Alternative's front, taking control of it.

Zenoheld controlled the Alternative through Farbros during the events of ''[[All for One]]'' and ''[[Final Fury]]''. It was eliminated for the final time by an ambush from [[Dryoid]], who trapped it, Hydron, and Zenoheld on the Alternative until its destruction by the Brawlers' hands.