Awww. What a normal, not-a-horrifying-thought-experiment memory to brush past. 
 
Seldan spends the rest of the time that Blai is asleep while he isn't aimlessly thinking about...well, mostly poking at the thought of writing a treatise someday that tries to define what people mean by "conscience". It's a word that would be useful to factor out into all of its constituent pieces and he doesn't think he ever did, when he was human. Blai claims not to have a conscience but Seldan is pretty sure this is incorrect and Blai has plenty of the normal pieces, just - not connected up in some of the ways that some definitions of the term would consider central, like "being unwilling to do something because it feels wrong and bad to him."
But that's not the only piece and, honestly, it's kind of an inconvenient way to have a conscience in many situations? If Shavri had that kind of conscience she might have had it about euthanizing Nayoki, and...Seldan's intuition is that it's good and correct for a Healer to hesitate to stop a patient's heart, and feel all sorts of uncomfortable gross feelings about it, just - in fact sometimes you don't want the feelings to get in the way and affect the things you do, except - indirectly, upstream, in the questions you ask yourself.
Seldan is pretty sure he's ever been deeply uncomfortable with something and then, separately, decided against doing it, but - it wasn't because it was uncomfortable, it was because he laid out the details of the situation in front of him and considered all the possible outcomes in order of most-to-least-likely if he did this, and all the possible outcomes if he did that, and put some made-up numbers on it to check that his reasoning was clear enough to do math on, even though quite a lot of decisions in the real world have less clear and measurable numbers on them than, say, Joshel's job has...
...he lost track of where he was going with that. Anyway. Blai has Law feelings and those absolutely determine what he does and that's a fascinating way for someone to have a conscience set up! It makes perfect sense, Asmodeus is Lawful Evil, Law was allowed in Cheliax, having intuitions about it wasn't against Blai's childhood religion. It's just interesting! Blai hasn't had nearly as much opportunity to...formalize his inchoate intuitions about the probably-not-entirely-coherent cluster of things that gets referred to as 'Good', he just has the little observations, things like 'it does seem bad that Leareth is suffering even if it has no causal impact on the future' and 'wow, it's not great how little the Valdemargod seems to care about murder as long as it's Vkandis murdering His own people all the way over there'. 
There are probably going to be such fascinating ethics debates at the Chelish Constitutional Convention. People will have opinions! A lot of them will be wrong but Seldan loves wrong opinions more than right ones, honestly, it's such a delightful way to make himself uncomfortable and then poke that until interesting new framings on the situation fall out. 
 
Iomedae, I hope we make it to the convention, he thinks vaguely. I know You probably can't do anything more to make that happen, but I'm really sure we would be a valuable addition.