Upgrade it to increase the number of resources protected
Depot protects your collected resources from being plundered.
Resources produced by Resource buildings aren’t included in Depot Protection. We recommend you collect them without delay.
Notes:
- This building is automatically available without repair;
- After reaching Depot Level 8 – Resource Sale is available.
Depot upgrade requirements:
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| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
| 1 | Free | Free | – | – | – | Main Hall Lv.1 |
| 2 | 180 | 180 | – | – | – | Main Hall Lv.2 |
| 3 | 260 | 260 | – | – | – | Main Hall Lv.3 |
| 4 | 450 | 450 | – | – | – | Main Hall Lv.4 |
| 5 | 740 | 740 | – | – | – | Main Hall Lv.5 |
| 6 | 1,440 | 1,440 | – | – | – | Main Hall Lv.6 |
| 7 | 2,870 | 2,870 | – | – | – | Main Hall Lv.7 |
| 8 | 4,890 | 4,890 | – | – | – | Main Hall Lv.8 |
| 9 | 7,400 | 7,400 | – | – | – | Main Hall Lv.9 |
| 10 | 11,940 | 11,940 | – | – | – | Main Hall Lv.10 |
| 11 | 24,060 | 24,060 | – | – | – | Main Hall Lv.11 |
| 12 | 49,590 | 49,590 | – | – | – | Main Hall Lv.12 |
| 13 | 100,440 | 100,440 | – | – | – | Main Hall Lv.13 |
| 14 | 204,760 | 204,760 | – | – | – | Main Hall Lv.14 |
| 15 | 322,490 | 322,490 | – | – | – | Main Hall Lv.15 |
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
| 16 | 335,390 | 335,390 | 33,530 | – | – | Main Hall Lv.16 |
| 17 | 381,500 | 381,500 | 65,400 | – | – | Main Hall Lv.17 |
| 18 | 495,970 | 495,970 | 85,020 | – | – | Main Hall Lv.18 |
| 19 | 577,530 | 577,530 | 119,000 | – | – | Main Hall Lv.19 |
| 20 | 671,750 | 671,750 | 138,420 | – | – | Main Hall Lv.20 |
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
| 21 | 688,040 | 688,040 | 142,900 | 55,570 | – | Main Hall Lv.21 |
| 22 | 777,080 | 777,080 | 181,320 | 77,700 | – | Main Hall Lv.22 |
| 23 | ? | ? | ? | ? | – | Main Hall Lv.23 |
| 24 | ? | ? | ? | ? | – | Main Hall Lv.24 |
| 25 | 1,555,250 | 1,555,250 | 395,880 | 197,940 | – | Main Hall Lv.25 |
| 26 | ? | ? | ? | ? | – | Main Hall Lv.26 |
| 27 | 2,479,610 | 2,479,610 | 694,290 | 396,730 | – | Main Hall Lv.27 |
| 28 | 3,223,510 | 3,223,510 | 902,580 | 515,760 | – | Main Hall Lv.28 |
| 29 | ? | ? | ? | ? | – | Main Hall Lv.29 |
| 30 | 5,447,730 | 5,447,730 | 1,525,360 | 871,630 | – | Main Hall Lv.30 |
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
| 31 | 7,436,130 | 7,436,130 | 2,082,110 | 1,189,770 | 7,440 | Main Hall Lv.31 |
| 32 | 9,971,450 | 9,971,450 | 2,791,990 | 1,595,410 | 12,300 | Main Hall Lv.32 |
| 33 | 13,135,200 | 13,135,200 | 3,677,830 | 2,101,600 | 21,390 | Main Hall Lv.33 |
| 34 | 16,995,840 | 16,995,840 | 4,758,800 | 2,719,290 | 32,400 | Main Hall Lv.34 |
| 35 | 21,952,950 | 21,952,950 | 6,146,780 | 3,512,410 | 48,050 | Main Hall Lv.35 |
| 36 | 24,403,340 | 24,403,340 | 6,832,880 | 3,904,460 | 57,190 | Main Hall Lv.36 |
| 37 | 26,633,590 | 26,633,590 | 7,457,340 | 4,261,290 | 65,910 | Main Hall Lv.37 |
| 38 | 28,862,940 | 28,862,940 | 8,081,550 | 4,617,980 | 75,800 | Main Hall Lv.38 |
| Lv. | Food | Oil | Steel | Minerals | Uranium | Requirement |
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Additional info:
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| Lv. | Oil Protection | Food Protection | Steel Protection | Mineral Protection |
| 1 | 300,000 | 300,000 | 60,000 | 30,000 |
| 2 | 310,000 | 310,000 | 62,000 | 31,000 |
| 3 | 321,000 | 321,000 | 64,200 | 32,100 |
| 4 | 333,000 | 333,000 | 66,600 | 33,300 |
| 5 | 346,000 | 346,000 | 69,200 | 34,600 |
| 6 | 360,000 | 360,000 | 72,000 | 36,000 |
| 7 | 375,000 | 375,000 | 75,000 | 37,500 |
| 8 | 391,000 | 391,000 | 78,200 | 39,100 |
| 9 | 408,000 | 408,000 | 81,600 | 40,800 |
| 10 | 426,000 | 426,000 | 85,200 | 42,600 |
| 11 | 445,000 | 445,000 | 89,000 | 44,500 |
| 12 | 465,000 | 465,000 | 93,000 | 46,500 |
| 13 | 486,000 | 486,000 | 97,200 | 48,600 |
| 14 | 508,000 | 508,000 | 101,600 | 50,800 |
| 15 | 531,000 | 531,000 | 106,200 | 53,100 |
| 16 | 555,000 | 555,000 | 111,000 | 55,500 |
| 17 | 580,000 | 580,000 | 116,000 | 58,000 |
| 18 | 606,000 | 606,000 | 121,200 | 60,600 |
| 19 | 633,000 | 633,000 | 126,600 | 63,300 |
| 20 | 661,000 | 661,000 | 132,200 | 66,100 |
| 21 | 690,000 | 690,000 | 138,000 | 69,000 |
| 22 | 720,000 | 720,000 | 144,000 | 72,000 |
| 23 | 751,000 | 751,000 | 150,200 | 75,100 |
| 24 | 783,000 | 783,000 | 156,600 | 78,300 |
| 25 | 816,000 | 816,000 | 163,200 | 81,600 |
| 26 | 850,000 | 850,000 | 170,000 | 85,000 |
| 27 | 885,000 | 885,000 | 177,000 | 88,500 |
| 28 | 921,000 | 921,000 | 184,200 | 92,100 |
| 29 | 958,000 | 958,000 | 191,600 | 95,800 |
| 30 | 996,000 | 996,000 | 199,200 | 99,600 |
| 31 | 1,035,000 | 1,035,000 | 207,000 | 103,500 |
| 32 | 1,075,000 | 1,075,000 | 215,000 | 107,500 |
| 33 | 1,116,000 | 1,116,000 | 223,200 | 111,600 |
| 34 | 1,158,000 | 1,158,000 | 231,600 | 115,800 |
| 35 | 1,201,000 | 1,201,000 | 240,200 | 120,100 |
| 36 | 1,245,000 | 1,245,000 | 249,000 | 121,860 |
| 37 | 1,290,000 | 1,290,000 | 258,000 | 123,660 |
| 38 | 1,335,000 | 1,335,000 | 267,000 | 125,460 |
| Lv. | Oil Protection | Food Protection | Steel Protection | Mineral Protection |
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| Lv. | Battle Power | Base Construction Time |
| 1 | 5 | 0:00 |
| 2 | 15 | 0:00 |
| 3 | 29 | 0:00 |
| 4 | 56 | 0:00 |
| 5 | 102 | 0:00 |
| 6 | 177 | 36:00 |
| 7 | 291 | 01:12:00 |
| 8 | 453 | 01:48:00 |
| 9 | 676 | 03:00:00 |
| 10 | 970 | 04:12:00 |
| 11 | 1,349 | 05:49:10 |
| 12 | 1,827 | ? |
| 13 | 2,417 | ? |
| 14 | 3,136 | ? |
| 15 | 3,998 | ? |
| Lv. | Battle Power | Base Construction Time |
| 16 | 5,021 | ? |
| 17 | 6,223 | ? |
| 18 | 7,621 | ? |
| 19 | 9,236 | ? |
| 20 | 11,086 | ? |
| Lv. | Battle Power | Base Construction Time |
| 21 | 13,193 | ? |
| 22 | 15,579 | ? |
| 23 | 18,265 | ? |
| 24 | 21,276 | ? |
| 25 | 24,634 | ? |
| 26 | 28,365 | ? |
| 27 | 32,495 | ? |
| 28 | 37,049 | ? |
| 29 | 42,056 | ? |
| 30 | 47,542 | ? |
| Lv. | Battle Power | Base Construction Time |
| 31 | 55,149 | ? |
| 32 | 63,421 | ? |
| 33 | 72,300 | ? |
| 34 | 81,699 | ? |
| 35 | 91,503 | ? |
| 36 | 102,026 | ? |
| 37 | 113,249 | ? |
| 38 | 125,141 | ? |
| Lv. | Battle Power | Base Construction Time |
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