I also decided to write about Laurent, but I warn you that Laurent drives me crazy, I have A LOT of thoughts about him. Since all the books are Damen's POV, many things about Laurent are up to us to interpret. So I also warn you that everything here is MY thoughts, and I know that sometimes I get lost in them. Laurent is one of my favorite characters, so I love seeing other people's interpretations, even if they differ from mine. There are things here that are more speculation since we don't have much information given by Laurent himself.
Laurent’s sin is wrath. Laurent's wrath is so great that it leaves him blind sometimes. Laurent is not the type of person who waits to truly know someone to have an opinion. He hates people from the go and waits for them to prove that they don't deserve his wrath. Laurent looks for the worst in others. It doesn't matter if someone is a great person, practically a saint, if they do something that isn't 100% honorable, Laurent will hold on to that one thing to classify that person as evil. So yeah, Laurent hates a lot of things and people. But most of all, Laurent hates himself most.
For my college degree, I had to do extensive research on victims of sexual abuse who developed PTSD. So I read and heard many stories from victims and I can say that one of the characteristics that most (if not all) of these victims have is that they feel GUILT. In my work, I basically analyze the defensive reactions that people who experience a violent event can have. For example, during sexual abuse, the victim can enter a state of tonic immobility or dissociation, where even though they really want to defend themselves, their body remains immobile. It is a 100% biological and involuntary reaction. But many victims do not know or do not understand this and so after the abuse happens, they feel like they should have done something, fought back, and defended themselves from the abuse. That is why many blame themselves. But what I mean by this is that Laurent probably feels this way. After he understands what his uncle did to him, Laurent most likely feels guilty. He must blame himself for not fighting his uncle, he thinks he somehow allowed this to happen to him. What would Auguste think if he knew this, that Laurent wasn't able to protect himself? So this guilt develops into self-hatred. Laurent's wrath is much more towards himself than against the world. Laurent hates the naive and vulnerable boy he became after his brother's death. He thinks that's why his uncle abused him: because he let him.
After Laurent realizes all this, he forces himself to change. He doesn't want to be vulnerable and weak anymore. He creates a personality that is the extreme opposite of that. He becomes cold, does everything to become physically stronger, and represses all emotions (except anger). He doesn't repress his anger because anger is, in fact, the only thing that keeps him alive. Anger and the desire to take revenge. Laurent also hates this character he had to create to protect himself. Because if he needs mechanisms to protect himself, it's because he's still vulnerable. I swear, Laurent's mind must be a living hell with so many contradictory thoughts. He knows he has become a bad person, he doesn't like it, but he is very afraid of being different.
He wants to take revenge on his uncle, but not just kill him, he wants to take revenge on his uncle by proving that he can be better than him, more intelligent. Laurent not only wants to beat his uncle, he wants to see his uncle lose, again and again. It may seem like the same thing, but it's not. Laurent tries hard to see through his uncle's schemes and plans meticulously to make all these schemes work in his favor, which he knows irritates his uncle more than anything. I would even say that for the last few years, Laurent has been in a limbo where he feels "comfortable" with these "games" between him and his uncle. Everything changes when he realizes that his uncle really wants him dead, because until then Laurent didn't think that, or didn't let himself think about it, which is more likely. Here is the irony of how Laurent is more like Damen than he lets on. Laurent knew that his uncle didn't love him, but he still didn't want to believe that his uncle would kill him in the end.
Meeting Nicaise and Aimeric is the closest Laurent comes to thinking that maybe the guilt he feels over his abuse isn’t justified. Because he sees himself in both boys and he can, from an outside perspective, understand that neither Nicaise nor Aimeric are to blame for the abuse they suffered. But he represses these emotions, especially with Aimeric. When Laurent freaks out at Aimeric, he’s freaking out at himself. It's the first time Laurent is capable of causing harm to himself, looking at the living mirror that is Aimeric. The craziest thing to me is how Nicaise and Aimeric's deaths, without Damen showing up at the end, are the only alternatives for what would happen to Laurent too. Murder or suicide (sacrifice).
Besides obviously wanting revenge on his uncle, Laurent wants revenge on Damianos, the man who killed his brother and then started his years of abuse. This anger and hope of one day getting revenge on Damen is also what keeps him going. Even more than the anger towards the Regent. Because, at the end of Kings Rising, when Laurent is free of the anger he feels towards Damen, after he accepts that Damen is not to blame for his years of abuse (he admits that his uncle would do the same regardless), I believe that Laurent finally admits something he always knew: he would never win against his uncle. Not alone. And, even now in a "relationship" with Damen, Laurent still feels alone. Now without the anger towards Damianos and with the conviction that he will not win, all that is left is self-hatred. And that is what drives him to sacrifice himself. He's all alone, not even his wrath is there anymore. And the love he feels for Damen still isn't enough to quell this self-hatred.
This makes me think that Damen, in a very twisted way, saved Laurent from himself from the beginning. I even thought that if Laurent didn't care about Damianos, maybe he would have killed himself right after he realized the abuse and that he had no chance of defeating his uncle. But no, Laurent is too complex for that, he only sacrifices himself because it would give Damen an advantage to win in the end. Despite all the horror that Laurent suffered and his wrath, he is probably the least selfish character, he would never kill himself to end his suffering, knowing that others are also suffering and that he can do something to help.
In my humble opinion, I think Laurent could be MUCH WORSE. I see a lot of people condemning Laurent as if he were the worst villain, but honestly, I would be much worse, especially against the man who killed my brother. Laurent still gave Damen many chances. Laurent made Damen suffer LITTLE (and it pains me a lot to say that, because I would hate to see Damen suffer more). I believe that the entire time Laurent was torturing Damen, he wanted the opportunity to kill Damen in a more honorable way, perhaps this is what stopped Laurent from killing him when he still had the chance. But this is just an assumption. Sometimes I think even Laurent didn't know what he was doing and what he wanted to do. We need to remember that Laurent is still a 20-year-old who has been isolated from the world for too long. Laurent may be very smart, but he doesn't have the necessary life experience. There's a lot that Laurent doesn't know, but he's very good at pretending he does (even Damen falls for it (and us)). Laurent ultimately regrets what he did, because, again, that was him hiding (protecting himself) behind his villainous mask. He also ends up forgiving Damen once he understands the circumstances under which Auguste died. Something he probably already knew, but didn't want to admit, once again, because that would put an end to the thing that kept him alive.
Laurent finally agreeing to leave Arles to go on border patrol was the biggest turning point in his life. He meets the people of his kingdom, innocent people who have no idea what is happening at court. People who respect and love him. Those who remember him from the past, remember the real Laurent. The freedom he felt from no longer needing to contain his strength. All this and more was important for Laurent to be able to see beyond what his uncle allowed him to see and do. He starts to trust more people, the ones who trust him back. And then that's when Damen starts to see the "changes" and fall in love with Laurent.
This is probably super confusing, but that's how Laurent makes me feel hahahahhaha. What we read throughout the trilogy is still the very beginning of the romance between Damen and Laurent. Damen showing up at the trial was probably a big part of making Laurent realize that Damen's feelings are not frivolous, it's not just a passing attraction for him. Laurent is no longer alone. I go crazy wondering if maybe all Laurent needed was someone stubborn enough for him to start being himself, without having to hide behind masks. Maybe a friend, someone who would look long enough to realize who Laurent really is, like Damen did little by little. Laurent has been alone for so long, with his secrets and his pain. He probably isolated himself like that too for fear of loving someone like he loved Auguste and becoming even more vulnerable (that's kinda what happens with Nicaise). He's certainly done a lot of things he regrets because of his wrath, especially against Damen, so I think Damen will need to work a little harder to prove to Laurent how much he loves him. Just like Laurent will certainly do the same.