Well, let's begin from his reference and some info.
Xasthur [Hа́stur] Age: ~10000+ years Character: calm, quiet, can seem very cold and aloof, capable of cruelty. Not very social, self-sufficient, loner, you might call him phlegmatic. He would do anything for the sake of a loved one. Despite all the shit he has experienced in life, he has managed to retain kindness and caring, but this is all only for the one he loves, to others he treats unemotional. He has some self-esteem issues, like "I don't deserve anything good in this life". He really doesn't like to talk about his past, tbh Xas is not fond of talking itself. It's easier for him to show actions than to say words.
Race: halfblood Galra/Altean (Druid?)
Physical constitution, habits, etc.: he has the behavior of a big cat, coordinated silent movements, rarely gesticulates in conversation, does not particularly like to look into the eyes of strangers (he is too used to wearing a mask all the time and no one can see his face, after the mask became unnecessary for him, he spent a long time learning to make eye contact, he was very nervous that people can read something in his eyes). He's an ambidextrous. Xas doesn't really like long-range combat, he's not used to it. He controls magic well, but he's used to fighting anyway with his paired blades, which he recreates with quintessence. I associate the smell of myrrh with Xasthur. Btw, an interesting fact: Xasthur allows to call him "Xas" [Hа́s] only to Lotor, he finds it cute and smth special. Likes: really LOVES to read! After being taken in the Lotor's crew, he got completely free access to all prince's e-books, Xas literally reads everything whether it's a pilot's manual, a textbook of foreign language, or just fairy tales etc., because he is sincerely interested in everything (and he didn't have that opportunity when he was a Gladiator and even a Druid). Stargazing, which is his favorite thing to do. Delicious food. To see something new, he likes to travel to different planets, to get acquainted with their terrain and culture, he is very interested in it. He's really a big kid in this regard, having spent half his life in the barracks/ Haggar's halls, he's surprised by everything. Xas likes to be touched (but only by Lotor), he's very tactile.
Dislikes: all the things he left behind: the cold, the smell of blood/metal, the loud screams, the feeling of helplessness, the sense of brokenness and dependence on superiors. Xas really dislikes crowds, crowds remind him of the Arena. Voice sample: Lord Of The Lost — Cut Me Out Lord Of The Lost — Till Death Us Do Part Lord Of The Lost — See You Soon His biography is told here, in my fanfic: https://archiveofourown.org/works/59271622 also an Extra to this fic exists: https://archiveofourown.org/works/60998209 link to previous blog, where are lots of info-posts, text-posts, etc.: https://www.tumblr.com/acherontia-art
