Attila - Hidden Stats And Bonuses , Or "Why did that one unit rek my better one?"

Axes
Dane Axe.
Wielded by: Hetaireia Guards, Huscarls, Royal Huscarls, Nordic Axemen, Nordic Raid Leader.

Bonus:
+20 against infantry.
Length:
2

Throwing axe, precursor weapon:
+15 against infantry.
Wielded by Frankish and Nordic units for the most part.

Francisca, precursor weapon:
+25 against infantry
Unique to Frankish units - Francisca Heerbahn for example.

Swords
Khanda
Wielded by: Uar Warriors, Chosen Uar Warriors

Bonus:
+20 against infantry.

Spears
Heavy Spear

Wielded by:Tagmata Cavalry, Frankish Skirmishers

Bonus +30 against Cavalry and Elephants
Also applies to the javelins of Frankish Skirmishers.

Maces

Wielded primarily by Sassanid units both on foot and mounted.

Bonus: 2 length, allowing more men to fight at once.