The capability to use laws at the Transition Realm, even if the Transition Realm at that point was something forced, was actually pretty mind-blowing. That meant the Celestial Supreme Palace could somehow strengthen the link between the world's laws with the participants. That said, those who had used laws before would still be able to use them.
It also made it a lot easier to believe that Triaglia really used that place to reach the Celestial Realm and become the Universe Owner. After all, the Celestial Realm needs one to get in contact with the Celestial Laws, which the twins' group had already perceived some present in the portrait.
"Stop with that smile, it is creeping me out," Rean complained to Roan.
"Good. Remember me to do this more often," which Roan completely refused to do.
Ignoring Rean after that, he turned back to Elsie Ranka. "Forget the bullshit about a Divinity Realm companion. They are useless. We are more than enough."