Feng Jun said this first and foremost to reassure certain people, making it clear that he had no interest in those sensitive matters.
Secondly... he truly had no need for those superweapons.
Were mushrooms good? Of course they were, but only in the Blue Star Realm. There, they could serve as a strategic deterrent.
In Heavenly Zither, though, they were really nothing special. At most, they could catch a Nascent Soul off guard. Crippling someone at the Spirit Projection Stage was basically a pipe dream. The instantaneous movement of a Spirit Projection Stage cultivator was far faster than a mushroom's explosive spread. In fact, even a prepared Nascent Soul True Immortal might be able to escape.
When Feng Jun had been weak, mushrooms might have been useful. But now, ordinary Nascent Soul cultivators were no longer qualified to be his opponents. What would he do with mushrooms... intimidate the weak?
Still, he would not answer like that. He merely smiled and asked, "What do you think the upper limit of strategic weapons would be in a world capable of developing space battleships that can make jumps?"
Lin Beauty was immediately left speechless. After a long while, she sighed. "Looks like I was overthinking it... Can you obtain those strategic weapons?"
"What do you think?" Feng Jun asked with a smile. "I'm a Xia person, and I can't get Xia Nation's superweapons either. Would that be possible over there?"
Lin Beauty tilted her head and considered it before answering very seriously, "You couldn't get submarines or warships in Xia Nation either, but you got an alien Space Fleet. So... it isn't a matter of whether you can get them, but whether you want to. After all, Xia Nation is your homeland."
Feng Jun smiled. "You think quite highly of me. But