City District Upgrades, this research tree is for strengthening each of a players district, there are 4 paths to follow, one for each district, the is so players can strengthen districts as well as the previous Building Class Upgrades, which, strengthen the buildings themselves, combined the two research paths add a huge bonus to a players defending capabilities!
This is the 4 Upgrades from each District Path, but there are 4 Sets in total to upgrade!
|1/4||10% Bonus HP||30 Vault Stone||30 Mins||2|
|2/4||20% Bonus HP||150 Vault Stone||8 Hours||10|
|3/4||30% Bonus HP||400 Vault Stone||24 Hours||25|
|4/4||40% Bonus HP||1,000 Vault Stone||2 Days||38|
|1/4||10% Bonus Damage||30 Attack Slab||30 Mins||2|
|2/4||20% Bonus Damage||150 Attack Slab||8 Hours||10|
|3/4||30% Bonus Damage||400 Attack Slab||24 Hours||25|
|4/4||40% Bonus Damage||1,000 Attack Slab||2 Days||38|
|- Monster Class Upgrades - Monster Species Upgrades -
- Building Class Upgrades - City District Upgrades -
- Agent Upgrades -