FANDOM


Walls are where city defenders are stationed. Upgrade the walls to increase defense weapon capacity and City Defense.

Lv Mine Capacity Defense Power Requirements
1 1,000 8,000 13
2 2,000 8,100 35
3 3,000 8,200 72
4 4,000 8,300 137
5 5,000 8,400 260
6 6,000 8,500 468
7 7,500 8,600 786
8 9,000 8,700 1,216
9 11,000 8,800 1,723
10 13,000 8,900 2,320
11 15,500 9,000 3,024
12 18,000 9,200 3,883
13 21,000 9,400 4,933
14 24,000 9,600 6,217
15 27,500 9,800 7,785 Base LV15 - Oil 3,800,000 - Steel 119,000
16 31,000 10,000 9,702
17 34,500 10,200 12,044
18 38,000 10,400 14,907
19 41,500 10,600 18,404
20 45,000 10,800 22,678
21 48,500 11,000 27,525
22 52,000 11,300 33,021
23 55,500 11,600 39,254
24 59,000 11,900 46,322
25 62,500 12,200 54,337
26 66,000 12,500 63,426
27 69,500 12,800 73,732
28 73,000 13,100 85,420
29 76,500 13,400 98,675
30 80,000 13,700 113,705