Gladiators: No Wait! Hear me out!!

[Lord_Phan]

Dosn't need a unit slot, could always use armour upgrades for new skin, + a xp bonus or weapon bonus with armour bonus to get the effect.

Now as for whether it's historically accurate or not....

[Zarax]

Dosn't need a unit slot, could always use armour upgrades for new skin, + a xp bonus or weapon bonus with armour bonus to get the effect.

Now as for whether it's historically accurate or not....

You could always bribe some gaesatae/hire tindanoae and pretend they're your gladiator corps...