But when Zachary curiously scanned the contents of the box with his Divine Sense, he was momentarily taken aback. The briefcase handcuffed to Mason Hart wasn't filled with anything valuable, but instead packed with an entire case of C4 Explosives.
As is widely known, the putty-like C4 Explosives, favored for their extremely high stability and explosive power, have always been popular among many military enthusiasts and users of explosives.
The explosive power of C4 goes without saying, for its widespread use in various contexts evidences that, in terms of power produced by the same measure, C4 must be among the top among many explosives.
The reason why Mason Hart could so carelessly store an entire case of C4—which could instantly annihilate the villa—in his bedroom was due to C4's ultra-high stability, which sets it apart from other explosives that can easily detonate if not stored properly.