Horace can be found or not, it just changes some dialogue later on.
The chiefs shouldn't have dialogue for the emblems in their villages, the way to proceed the story is to simply cross the repaired bridge next to the bull temple.
(Nauxus should have given you the chance to date him if you favoured him more during the war too).
Also consider checking my guide linked in the front page or in the gayme, more people can help on the discord server too.