Reference
Technology
The research trees. Seventeen categories, each unlocking down from the top.
Development
28 researches
Economy
30 researches
Hero
28 researches
Worth prioritising
Soldier
20 researches
Worth prioritising
Team 1
19 researches
Team 2
19 researches
Team 3
19 researches
Team 4
19 researches
Union Duel
14 researches
Trade Wagon
8 researches
Super Soldier
23 researches
Worth prioritising
Siege Specialization
16 researches
Defense Specialization
16 researches
Forest Mark
20 researches
Human Mark
20 researches
Nightfall Mark
19 researches
Magic Crystal Era
Not recorded yet