Every troop has a set of stats in the troops.txt file. These define the troop's level, starting stats and skills. However, the actual stats of troops do not match the file, as the game uses a different method of determining those stats. At the beginning of a new game, the game engine takes the starting stats of the troop, then randomly adds more stats until it runs out, and then uses this stat set for the rest of that game. The formula that it uses (at least for factional troops) appears to be: