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FAJO: It's not just lethal. It's vicious. It tears a body apart, inside out, and very slowly too by your phaser standards. It's tortuous. A very, very painful death. I've always wanted to try this."
The description Fajo gives about the Varon T-Disruptor sounds like it's attenuated to vaporize living organic matter. That would be quite different where inorganic matter is concerned. In any case, seems so short sighted not to have multiple settings, at least in terms of beam spread. The premise of "everything connected gets vaporized" seems ridiculous, because a person is standing on a floor, so... it would then burn a hole in the floor and keep spreading. And if it's only organic matter, then certainly there would be clothing and shoe remnants left behind. Thinking a little too far into this, it seems...