Unit Special Training - 22 nodes
Lab Level 30
Army Building - 23 nodes
100% Peace Shield
Field - 14 nodes
100% Siege to Seize
Peace Shield - 16 nodes
50% Shelter Building
45% Military Strategies
Siege to seize - 18 nodes
40% Military Strategies
Military strategies - 18 nodes
100% Elite Troops
Fully Armed Alliance - 18 nodes
Alliance Recognition - 19 nodes
Hero Training - 13 nodes