Hopefully not, my main OC can't duel for the majority of the time, since (and this is a twist) she can't see the cards and no one not even her twin sister knows.
In a world were dueling is essential and it's literally being taught, she finds this as a disgrace and that the cards (and spirits) deem her unworthy so she hides this.
She was born with this condition btw, though she vaguely can say with some certainty that she used to see the cards (and their spirits) but she doesn't remember that time, and she thinks it her brain making things up (again) because there was once a time in her childhood she wished she can also duel, but since her journals had no words of her ever seeing any glimpses of the cards and she can't obviously trust her brain that can hold 2 years worth of memories- she just chalks it as her being crazy (again).
So she just doesn't ever mention dueling anymore, and doesn't bother to hate the game since her family loves dueling especially her twin sister whom she can tell they are tiptoeing around her about dueling.
(She thinks that she nailed the no reaction pit to dueling, but she has a very severe case of poker face that makes her look scary/angry which becomes worse when she hears the word dueling.)
(oh and I never mentioned that this OC suffer 'consequences' after watching dueling, it's like she's not allowed to ever watch nor duel!)
There will be a time when she is literally forced to duel to save her friends, and after that duel ends she ends up breaking down in the dark thinking no one can see her. (She has crafted a calm, happy and polite mask all her life, so when this happened, still can see the cards, and literally needed help from a little 'unwanted creature' to tell her what fucking cards she's holding and what to play- she is disgusted at this, for asking help from the last 'thing', and mostly at herself for cheating -even if the little thing is a little piece of her lost self/memories-.)
Even her twin sister doesn't duel that much especially not around her sister, if she found someone strong worthy to duel against she goes for it, I will say she's one of those who have average mentalities about dueling, she mostly likes to hover around her sister for many reasons such as, a: she's a danger to herself and very likely to fall in a dark ditch and die due to her strange sickness, b: she's a danger to everyone else, c: no reason, she just like her sister's personal space even especially sister tries to hide/run away.
I have another OC who doesn't duel at all, she tried it before and didn't find her cup of tea so she never tried it again.
I think my reason to make more OCs who can't duel or duel a bit, is because I'm bad at dueling and not very creative when thinking of dueling, and creating dueling monsters for my OCs.
Like I thought of few, and they are all related to the OC who can't see the cards! Hers would be centered around astronomy, mostly Citus star, dragons and banished/outcasts horror monsters, and this deck isn't going to be used by her current version... Her current version would use deck with whales and dragons.
I only know that the twin sister has a deck full of Phoenixes and blue fire creatures.
Sorry for rambling, and I hope my sentences are coherent, English isn't my first language.