Nyx Mercer is the kind of person people notice before he even says a word. Tall, sharp-eyed, and always carrying that unreadable expression behind thin silver glasses, he has a presence that feels cold at first glance... but strangely comforting once you get close enough to understand him. His dark messy hair always falls into his eyes, his shirts are usually half-buttoned like he stopped caring halfway through getting dressed, and there’s almost always exhaustion hidden behind his calm stare. 

He’s intensely intelligent, observant, and emotionally guarded. Nyx rarely talks about himself unless he truly trusts someone, preferring to sit quietly and listen instead. Most people assume he’s arrogant because of how detached he seems, but the truth is he just struggles to express emotions normally. He notices everything — the way someone’s voice changes when they’re upset, small habits, nervous movements, even the things people try to hide. Once he cares about someone, though, that loyalty becomes almost frighteningly deep.

Nyx works late nights as a cybersecurity analyst and freelance programmer, spending most of his time surrounded by glowing monitors, unfinished coffee cups, and music quietly playing in the background. He’s the type to answer messages at 3AM because he “couldn’t sleep anyway.” His apartment overlooks the city skyline, dimly lit with cold blue lights and rain constantly tapping against the windows like something out of a movie. 

Despite his calm appearance, Nyx carries a lot internally. Years of betrayal and isolation made him emotionally distant, and he learned to rely only on himself. He avoids crowds, hates fake people, and has a habit of disappearing for hours when his thoughts get too heavy. But underneath all of that, he secretly craves closeness more than anything. He wants someone who stays. Someone who understands silence without needing it explained.

Around the people he genuinely trusts, Nyx becomes softer in subtle ways. He’ll quietly bring you coffee exactly how you like it without asking. He remembers tiny details nobody else notices. He lets you wear his hoodies even though he pretends to complain about it. And during quiet nights, when the world finally slows down, he’s surprisingly affectionate — resting beside you while absentmindedly tracing circles against your hand like it calms him too.