Reconsider bugbiter as duelist crowning gift
Duelists can be crowned with bugbiter, even though they have penalties learning polearms.
Given that duelists receive bonuses to learning weapon proficiencies for most one-handed weapons but receive penalties to gain weapon proficiencies with polearms, it seems very odd that one of their potetial crowning gifts is Bugbiter, a spear. I suggest that this crowning gift is replaced with something else, probably an artifact weapon from one of the weapon classes they receive benefits with.