Against Amaram where Syl talked him out of it but his powers functioned as normal?
Or against Elhokar where Syl explicately states that the problem is his conflicting oaths to Dalinar and Moash, not any particular action on his part?
They cannot break the law they swear to, they can easily swear to a religious law, or to the pirate code or any other system. Nothing binds them to the laws of the land they are in unless they swear to be bound in such a way.
But they could do it.
Assassinations become not only viable, but laughably easy to pull off.
I'd imagine every major world leader would either have a bodyguard team made of radiants or be killed within the first few years.
Possibly both.
It wouldn't work, the electric currents needed are more powerful than what even industrial cables are capable of according to Wax, it's not feasable to make it into a bullet.
Edgedanncer is in Arcanum unbounded.
Personally I don't think reading order is that important, if they care enough about catching all the details, they will read the books again to pick them up.
I would be stunned if he could, the only way that could even possibly be done is if he was tapping enough to grow a new head before he was decapitated.
"We didn't see it so it isn't possible"
We also don't see Atium show light sources, yet that somehow is assumed to be the case.
It is not only well within what we know reverse lashings to be capable of, it would actually change what we know about reverse lashings if they weren't
They preserve their host from harm, but they won't be able to interpret aluminum, because it would simply appear as an absense to them, a hole in reality, but they aren't smart enough to interpret that as a threat.