When as HRI you research Heavy Maces you get +6 damage against heavy targets, and when you research Two-Handed Weapon you get +2 damage, as tech tree says for both.
But when you research both, Men-at-Arms get the +2 damage but only +3 damage against heavy targets, when you should have both.
Here only with Heavy Mace researched:
Here with both:
Also you get more HP when you research Two-handed Weapon.
I checked the Spanish translation* just in case but in English it says the same. I don’t know if in game you do the damage its supposed to do, I wish we have an editor…
*About Spanish translation, although the term ‘‘cachiporra’’ is technically correct, it’s only used in puppets shows, ‘‘maza a dos manos’’ would be more right.