so, a breakdown of the main meat of his introduction

similarly to every single time there's an interaction between damian and another desmond, damian is the one who reaches out first by calling out to demetrius, who immediately asks him what he wants. damian tries to begin with small talk, congratulating him on his accomplishments of the day

demetrius is brief and to the point, but it doesn't feel to me like he is annoyed here. perhaps curious, perhaps indifferent, we don't know -- demetrius is a boy of few explanatory thoughts, after all

merely in the next page, demetrius is revealed to have a blank mind for most of this conversation.

i don't believe this is a sign that demetrius was experimented on or anything. obviously, this does not rule out that he has been experimented on, but i don't think his lack of thoughts are indicative of that, nor do i believe anya was too far away (in previous chapters, she has read the thoughts of people at greater distances than this with ease!). i think this has something to do with his upbringing, but also very importantly his state of mind at the moment

his eyes are wide open, but his stare is unfocused. i think this is an intentional choice to hammer in that he's not really here at this moment, listening to what is undoubtedly to him pointless praise. he has likely tuned all of it out completely.

(as a side note, if we wanna involve anya in this situation more, we could assume that he is intentionally cloaking his thoughts from anya or any other potential mind-readers, but while i do think donovan is very likely involved in project apple, i severely doubt the financial benefactors of project apple would spend likely a lot of money to figure out a way to shield the thoughts of a middle schooler, regardless of who his dad is, from potential telepaths. as far as we know, anya is the only one with this specific power and demetrius is unlikely to have any information that would incriminate the operation. if that was an issue, i don't see why they wouldn't spend their money to protect melinda's mind, since she likely has way more info than demetrius ever could.)

moving on from that side note though,

we do not see demetrius' face as he says this! this is important to me

we are left unaware to whether or not he is disappointed or just trying to abscond to take a nap (he really needs one)

but then, he says this:

this, to me, is a direct attempt at connecting!! he's trying to reciprocate the small talk, the praise, trying to continue the conversation. his thought, "i don't understand him," may feel contradictory but to me, it only underlines his frustration about this, because he knows what damian is going to say next:

even though it was expected, this is not what demetrius was hoping to get out of this. his downturned eyebrows give a feeling of discontent. he is not blank, he is visibly frustrated, visibly annoyed.

and we are thus made aware of a boundary demetrius and melinda both share:

never mention donovan.

for one reason or another, this is the boundary damian has overstepped with both his mother AND his brother now, without ever being informed that it IS a boundary in the first place

so demetrius, upset, turns around to leave and throws this at damian:

this is important, because damian has shared a very similar sentiment to anya before, albeit in a mournful tone.

demetrius likely feels similarly neglected by his parents, but is long past feeling sad about it. he has moved straight to anger, understandably!

but the bigger reason for his frustration, imo, relates to a problem damian once again ALSO has: people treating them as a gateway to their father and nothing more.

demetrius has more than likely also been treated like this, and probably still is unless his peers have learned not to engage because of his brief, snippy responses, so he is familiar with the feeling of being used.

...and damian unknowingly treated him the exact same way, even though he's also grown to hate it.

of course, he's 6 years old and he meant no harm by this -- he's just a lonely boy trying to be noticed by his neglectful parents, after all, what else could he possibly do?

but for demetrius, this is the end of the conversation. he is not his father's manager, he's not even that close to him, so why does his brother only ever talk to him when it relates to their father?

as he said before: he doesn't understand him, and why he keeps doing this. does he not know there is little info to be gained?

he doesn't understand their father either, with his impossibly high expectations, never pleased, never happy, never available

and lastly, as ewen and emile try to introduce themselves

demetrius has one final thought.

and he casts aside this entire conversation, leaving the scene as empty as he entered it.

of course, the chapter doesn't end here, but this is where demetrius' involvement in it does, leaving us with a newfound understanding that while to damian, demetrius represents everything he can only strive to become... to demetrius? his accomplishments ring hollow in the face of everything he wishes he could understand.

we do get an extra flashback that hearkens back to a better yesterday, but while donovan is lacking some very important details (those scars, that dead disinterest that follows his every move -- he seems mirthful somehow here), we don't know if this scene represents a time when they were closer or if it's simply evidence that as far back as everyone can remember, demetrius has been doing nothing but studying all the time

could this be evidence of something nefarious relating to project apple? eh, not particularly, not to me. the boy's just studying hard, any relation to project apple would have to be more recent in the timeline imo

TL;DR:

demetrius has been built up throughout the past 92 chapters as a figure larger-than-life, and this has been thanks to most of our knowledge of him being directly affected by damian's perception of him, as the younger brother living under his shadow

however, he has now been humanized by his flaws: a short temper and a lack of social skills that comes paired with a clear want to connect, to understand, to converse. he seems to be a very lonely kid, everyone around him either jealous, putting him on a pedestal or actively seeking to use him under the false impression that he has important connections, and although he doesn't mean to, damian has unknowingly been treating demetrius in the same way, only seeking him out when he wants to know something about donovan.

interestingly, him and melinda share the same trigger, that being donovan himself, though we do not yet know if their reason for this is also shared.

CLOSING THOUGHTSSS

it has been so exciting finally meeting this little goober-- i thought i might never see the day 😭😭😭

thank you to whoever read this far, i literally made this blog just now so! HOPE I DID WELL!

💖