Sounds like perhaps your character was a bit rushed and needs a bit more time to simmer before serving.
Flashpan ideas are great and fun, but I find that they often burn out fast. Why? Because the forethought to them is lacking. Some of my favorite characters to write spent years in the making, floating around in my brain and allowing ideas to attach and detach themselves as they came and went. I personally keep a running list of names I like and haven't used. Ideas for characters. Old bios of old chars that I maybe lost interest in before but might be able to revamp for a new, better version.
A sign that your char is a flashpan face: you don't even like the name you chose for it.
So let's assess your idea.
You like the possibility of a character centralized around alchemy and specific skills within that craft. Go back to what spurned this inspiration first. Was it a book? A tv show? A movie? Perhaps someone else's character? Re-read, re-experience, let the inspiration come back to you. Write down some of those ideas as they return, and any new ones that occur.
Here's the next step, and it's really the most important: set that list aside and don't look at it for a day or so. Come back to it with a fresh mind and see what still grabs your interest. If the same things keep coming back and keep jumping out at you, then you know for certain that they're the ones to go with.
Silencia went through several itterations and versions. She began as a
comic character created by one of my friends in high school. I was the artist of the comic and I loved the concept of the mute character and the name, so when the comic died I borrowed the idea for myself and just began doodling pictures of her in different settings. Eventually she settled on a
Sith version that I went back to time and time again. The idea of her being mute stuck. The flame-pointed hair stuck. The egyptian theme stuck, so I rolled with it. I started her young, and with the help of several old RP friends shaped her backstory. From there she transformed to
Sith Knight and then eventually
Sith Master.
My other favorite long-standing character, Quietus, began in a similar manner. I think the thing that helped me the most is that I also started her very young and allowed the story to mold and shape her into what she is today. I may not write either of them much anymore, but I have deeply enjoyed their stories. So I supposed my biggest advice to you is to start with the idea that really, really sticks and resonates with you and allow it to develop naturally. Perhaps it might not become what you initially envisioned, but I guarantee you'll enjoy the journey.
