I am specifically confused with how class traits are supposed to work. We saw the tutorial on "Playing the game" that had a class trait that wasn't selected as a faction trait. So can you use ANY class trait in your domain or do you have to have it as a faction trait?
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You can use any trait that the class qualify for.
So say you have a 1st teir trait in your faction your class could take a 2nd teir in that branch as long as it was able to qualify for it.
Or it could take a 1st teir trait in a different branch.
Does it need to specify class trait only?
No.
Any Traits that say class trait only cannot be taken as a Species/Faction Trait.