Asmodia reports.  Her thoughts are incredibly sophisticated and trained, moving in polished unfamiliar patterns whose usefulness is only apparent after they finish executing, somebody with incredibly high Intelligence worked hard on crafting this woman into whatever she actually is now.  Many of her thoughts refer to what Asmodia can only dimly feel as sophisticated mathematical concepts that she can't read because they just have no conceptual equivalents that Asmodia knows about.  She's using numbers to guide her own thought processes in a way that Asmodia can't understand, having something to do with - probabilities?  Asmodia is pretty sure that this woman is for some reason much much much more mathematically knowledgeable than Asmodia herself despite not being any kind of wizard.

Asmodia reports.  Merrin's thoughts are incredibly sophisticated and trained, moving in polished unfamiliar patterns whose usefulness is only apparent after they finish executing, somebody with incredibly high Intelligence worked hard on crafting this woman into whatever she actually is now.  Many of her thoughts refer to what Asmodia can only dimly feel as sophisticated mathematical concepts that she can't read because they just have no conceptual equivalents that Asmodia knows about.  She's using numbers to guide her own thought processes in a way that Asmodia can't understand, having something to do with - probabilities?  Asmodia is pretty sure that this woman is for some reason much much much more mathematically knowledgeable than Asmodia herself despite not being any kind of wizard.