I've been sitting on a way to give proper praise to Merlin all day and just, I don't know man. There's no real words to describe just how fantastic he is. It's so clear that you understand his character inside and out, because I don't think I've ever seen an off thread or comment from him: his voice is always spot-on, his interactions with others is always so great to see, and he's so perfectly Merlin.
I love how perfectly you encompass all sides of him. His badass Emrys side, his goofy side, his teasing side (the gentler and more mean-spirited), his devastatingly heartbreaking threads with Lancelot, Freya, AND Arthur, his smugness/egotistical nature, his lingering pain, failures, and regrets, and his clinginess. Understandably, he'd be pretty much eternally by Arthur's side in Kiseki, and yet he also branches out and has such interesting and wonderful interactions with other characters.
I think of the characters you play, he's one of my favorites, and one that I'm always so happy to see around. It's just so clear how much you adore him and how much that comes through in your tags and your writing. I love that you can go from having him be charming, slightly teasing, completely silly and ridiculous... and then in the next moment completely break my heart with the devastating crushing of his destiny and his goddamn canon, like jfc. I'm never disappointed when stalking him and I'm always so happy to catch up on threads he's in.
I know in general that people (and myself included) will toss around words like perfect and flawless and wonderful when it comes to characters and how people play them. But honestly? Your Merlin is perfect. Full stop.