Hearing Weiss' threat, the royal guards immediately scrammed away from him.
As for whether they would have the guts to relay that threat to the imperial family, Weiss didn't have to worry about that since he used his reality manipulation to ensure that those guards would listen to that command of his.
However, he didn't bother planting a spy within those royal guards since the imperial family might be powerful, but that was before. At least now and even in the future, they wouldn't be worth his effort.
Weiss had already planned to publicize his identity as the strongest Beta tester in the future. If he wanted to, he could even make a reason to ban those who offended him from playing any games that Aspro had published.
No longer minding those nobodies, Weiss acted as if nothing had happened and smiled at Alice. He extended his right hand and asked, "Alice, shall we continue our date?"