The tech tree could help to split the heroes, cities and armies even more. The magic tree should help the heroes, the civilization tree should help the cities and the warfare tree should help the armies:
Example: MAGIC TREE
- Summon basic weapons (level 0):
One handed weapons, two handed weapons and ranged weapons
- Summon basic armor and shields (level 0):
Leather armor, chain mail, plate mail, small shield and large shield
- Summon improved weapons (level 1, requires summon basic weapons):
Weapons made of special materials (mithral, adamantine, ...)
- Summon improved armor and shields (level 1, requires summon basic armor and shields):
Armor and shields made of special materials (mithral, adamantine, ...)
- Summon basic mount (level 1, requires summon basic weapons + summon basic armor and shields):
Horse (kingdom) or warg (empire)
- Summon enchanted weapons (level 2, requires summon improved weapons):
Weapons with special abilities (life drain, poison, ...)
- Summon enchanted armor and shields (level 2, requires summon improved armor and shields):
Armor and shield with special abilities (spell resistance, improved dodge, ...)
- Summon enchanted accessoires (level 2, requires summon basic mount):
Rings, Cloaks, ... with special abilities (spell resistance, improved dodge, ...)
- Summon legendary weapons (level 3, requires summon enchanted weapons):
Weapons with very powerful abilities (maul, teleport, ...)
- Summon legendary armor and shields (level 3, requires summon enchanted armor and shields):
Armor and shields with very powerful abilities (lightning immunity, spell reflection, ...)
- Summon magical mount (level 3, requires summon enchanted accessoires):
Dragon