Do it yourself. It's all in CoreNPCunits.xml. Each unittype may have one or several of these

<SelectedAbilityBonusOption>History_Adventurer</SelectedAbilityBonusOption>

those link to the ability or characteristics of the character. Search the game files to find out what it specifically does.

Nope, just a fan.

Ok to follow up on this i can't seem to find a file named "history_adventurer" after looking through most of the xml files. I see there are some interesting things that have not been hooked up - not sure if they are new, some of them are not. Interesting references to things that are almost there but i guess didnt make it into.

I'm sensing a little bit of spaghetti string programming  

I see that at one point heroes had a max level of lv 15 - was this true for army units as well ? does this lv 15 max still ring true ? is there a max level or does it keep going. I can't seem to find an xml with xp requirements. I notice that the sovereign gets 10% xp from all units - this is very much close to the chest here it should have been better listed. He seems to get this xp injection when those units level.

I found 3 references to food resources that are not in the game

i see a reference to max number of children

i see references to bonuses for capital cities.

neat stuff here.

will keep looking.

Must be an internal tag for an xml file somewhere.

EDIT: i think i figured this out just after i close my browser. I think history adventurer is an internal file which is generated when you start a new game and is unique to each game you play - this way heroes have some random ability each game, although the list of abilities is not that big. Some heroes have defined abilities and some heroes have a tag which generates a random ability

I have currently looked closely at a "ability bonuses" "sovereign abilities" and core abilities". I had to stop look because my mother in law was over... interfering witch 

i will dissect more xmls tomorrow.

I did private message someone on staff for some info but that was late friday evening and we will see what comes of that, so i may delay posting my info until tuesday since i want to give them a chance to think it over.

EDIT: also the way core npc unit formatted in my word file it is 175 pages so i have to edit out all the fluff before i print hard copy on that 

That was a big xml file 

no i did not think that there was something that determines what a hero has when they level up 

err milestone tags ? I'll come back to that looking at some xmls right now.