Laz wasn't trying to kill anyone which was a good thing since if he wanted to, it wouldn't have been too hard. De'von was only at the entry level of the void palace realm and even then, it felt pretty weak which was surprising. After all, weren't they suppose to be investigating this family for trying to replace their fae blood with something else? If this was the result, then there was definitely a problem with that.
As for the others, they hadn't even made it that far. Of the three others, two were in the late stage of foundational realm while the last one was in the middle stage. While they might have been strong among the younger generation, it was nothing to Laz's realm and strength. After all, he was in the mid palace lord realm and reaching for the late realm with a land size already at the late realm. While the thirty miles might not seem like much compared to Sylvia's increase, there was something to be said about his type of energy as well.