Tribes

Each combat tribe fields a shared core of Marauders, Skirmishers and Nomads — but tops out with its own signature upgrade unit, and that unit alone ships with a free promotion no other troop gets.

Tribe → Strength ↓	Danes	Gauls	Huns	Numidians	Scythians	Thracians	Vandals
Melee
Str 3	Marauder	Marauder	Nomad Marauder	Nomad Marauder	Nomad Marauder	Marauder	Marauder
Str 4	Elite Marauder	Elite Marauder	Elite Nomad Marauder	Elite Nomad Marauder	Elite Nomad Marauder	Elite Marauder	Elite Marauder
Str 5	Huscarl Cold Cleave I	Gaesata Ranger Pierce I	Nomad Warlord	Nomad Warlord	Nomad Warlord	Warlord	Warlord
Str 6	Elite Huscarl Cold Cleave II	Elite Gaesata Ranger Pierce II	Elite Nomad Warlord	Elite Nomad Warlord	Elite Nomad Warlord	Elite Warlord	Elite Warlord
Ranged
Str 3	Skirmisher	Skirmisher	Nomad Skirmisher	Nomad Skirmisher	Nomad Skirmisher	Skirmisher	Skirmisher
Str 4	Elite Skirmisher	Elite Skirmisher	Elite Nomad Skirmisher	Elite Nomad Skirmisher	Elite Nomad Skirmisher	Elite Skirmisher	Elite Skirmisher
Str 5	Javelineer	Javelineer	Hunnic Cavalry Bloodthirsty	Libyan Cavalry Nomad	Amazon Cavalry Shieldbearer	Peltast Highlander	Clubthrower Fierce
Str 6	Elite Javelineer	Elite Javelineer	Elite Hunnic Cavalry Bloodthirsty	Elite Libyan Cavalry Nomad	Elite Amazon Cavalry Shieldbearer	Elite Peltast Highlander	Elite Clubthrower Fierce

→ How camps spawn units — the spawn countdown, the pause rule (why killing units near a camp restarts the timer), and the develop timers, transcribed from the game source.