The One Boss at a Time Act was introduced by Red Mage Statscowski in 8-Bit Theater. In the episode that is was mentioned on, Red Mage had recovered from being burned and turned into a fire helm and mentioned the rule. In the original Final Fantasy, while in the Temple of Fiends, the player must fight each fiend one at a time in each floor, which is fair. As of now, the act is yet to be set in place.