Put simply, no. This is roleplay and the limits are your imagination.
Tropes exist because they are common. What may make one person roll their eyes, another may find interesting. What I would suggest is thinking about what story you want to tell and what story you can provide to better other characters' stories. Remember that RP is a team effort! What might work nicely in fanfic doesn't always work out when you can't make certain decisions about other people's characters. That is the bigger picture. The collaborative writing effort is what keeps it going. Provide something for your fellow RPers to write with, as they should for you. Remember that while your character might be the spotlight in your stories, they will be a side character in another person's.
Naturally, you'll want to figure out where you prefer to reside on the low fantasy to high fantasy spectrum. Are they a seasoned adventure? Are they educated? Where are they from? Who are they trying to be? A backstory is nice, but remember that it's then the past. What is your character doing now that might bring the attention of other characters? Or what sort of people would catch your character's interest?
Tropes exist because they are common. What may make one person roll their eyes, another may find interesting. What I would suggest is thinking about what story you want to tell and what story you can provide to better other characters' stories. Remember that RP is a team effort! What might work nicely in fanfic doesn't always work out when you can't make certain decisions about other people's characters. That is the bigger picture. The collaborative writing effort is what keeps it going. Provide something for your fellow RPers to write with, as they should for you. Remember that while your character might be the spotlight in your stories, they will be a side character in another person's.
Naturally, you'll want to figure out where you prefer to reside on the low fantasy to high fantasy spectrum. Are they a seasoned adventure? Are they educated? Where are they from? Who are they trying to be? A backstory is nice, but remember that it's then the past. What is your character doing now that might bring the attention of other characters? Or what sort of people would catch your character's interest?