The most reasonable explanation was that this mecha clan had its title changed when it was close to reaching legendary mecha clan status. It also took imperial operators who hid their abilities from different clans to increase the fighting potential of the mecha clan. Thus, it could be explained that it wasn't a legendary mecha clan when it formed, but yet it had the strength of a legendary mecha clan.
The Federation's military was playing a long game and Lingtian Mecha Clan was this game's most important piece.
Yu Huan's body shook and his eyes brightened. If that was the case, then he must cooperate with them to the best of his abilities. Base Nebula would definitely become Lingtian's strongest shield.