>>96058677
>so I'm making my setting for a game that makes the setting in the first session with the players
lol you're fucking up
Might be able to take one of the larger campaign set-ups from Further Afield like the expanding empire one and sub in a gathering tribal warlord if you want to just do ungabunga but not!romans expanding into the player's hometown area over time could be fun.
>inspiration
They're not in great depth but the various osprey books about xyz historical period have been useful with rough overviews, pictures to show players or inspire and references to investigate if more seems useful.
>resources
An Echo Resounding/Worlds Without Number if you want lightly granular fantasy faction building and world map turn mini games to mess around with.