Chaosmancer
Legend
Although I can think in English, I am no native speaker, so sorry I did not note the meaning of "pulling a stunt" would be regarded mostly negative. This wasn't my intention sorry for the misunderstanding, on the opposite, it was rather meant in "to do something unconventional with kudos for the idea" like you would applaud someone jumping some cars with a motorcycle sideways.
Honestly, thank you for clearing up the confusion. I do tend to forget that not everyone on here is a native english speaker and some of the idioms come across differently. It honestly makes me feel a lot better to know that was just confusion on your actual intention.
I do think your barbarian/knight concept is unusual (not in a negative way) and totally within 5e rule system, I also think that if doing unconventional concepts you should invest in a good background-story (not the background mechanic but a good explanation why it all went this way) which ideally should fit within a given game world.
My own game worlds are not designed to handle these things in such a wide frame because I like to limit fluff to make things more "intense", if a player in session zero would approach me for a concept like yours I could make it happen for him, but if someone turned up mid adventure arc, things would get harder to fit in.
But my style is old school and what is fun for me might be uncool for others and vice versa.
I agree with this, and I tend to write fairly robust backgrounds. This particular DM I was playing with had no interest in backgrounds or even our characters to a degree. First session we were teleported to a place outside of time and space and given free run of it to fight anything there. But, it was fun to have the personality of Sir Kalten and to play that sort of concept.
And I definetly agree, fitting a character in mid-game is so difficult. They really almost can't have any adventure hooks in them, because the party usually has so much going on by that point. Got to be slimmed down so you can slot in with minimal fuss