Technology, time frame level, roughly equivalent to real world 1650s to 1730s, think Musketeers, Golden Age of Piracy, at least one of the nations inspired by a more Frontier time period.

Inspirations of Dark Knights of Steel, Avatar the Last Airbender, Lord of the Rings, Pirates of the Carribean, Zorro and Robin Hood. 

Death to Tyrants. False King on a stolen throne leans on the word of a seer who earns of a deadly fate. 

Rapiers, bucklers, wheelocks, flintlocks and at least one nation having access to early caplocks. Bows would still be prominent, with crossbows also available. Other melee weapons would still hold up with the longsword remaining unmatched as an option along with arming swords, hanging swords etc.

Combat and its weapon choice would be at least in part be circumstantially influenced.