| Infobox | |
|---|---|
| Price | 475  , 355  , 300  , 190 
|
| Staff required | 50 employees |
| Energy units consumed | 75 units |
| XP gained for constructing | 240 XP |
| Size | 7x7 tiles |
| Time to 100% accumulation | 19:00:00 |
| Must be placed on | Land |
| Road required | Yes |
| Max number of facilities | 1 |
| Available from | Game's 2nd Birthday event April 19, 2013 for 7 days |
|
Construction / Upgrading | Income 
|
Repair 
|
Yield/hour/tile | ||||
|---|---|---|---|---|---|---|---|---|
| Costs | Time | 
|
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|
|
|
| |
| Initially | 28:00:00 | $ 62,000 | 43 | $ 190,000 | $ 50 | 0.05 | ||
| Level 1 | $ 237,500 | 14:00:00 | $ 71,299 | $ 228,000 | $ 57 | 0 | ||
| Level 2 | $ 403,750 | 18:12:00 | $ 81,994 | $ 273,600 | $ 64 | 0 | ||
| Level 3 | $ 686,375 | 23:39:36 | $ 94,294 | $ 328,320 | $ 73 | 0 | ||
| Level 4 | $ 1,166,837 | 30:45:28 | $ 108,438 | $ 393,984 | $ 83 | 0 | ||
| Level 5 | $ 1,983,623 | 39:59:07 | $ 124,704 | $ 472,780 | $ 94 | 0 | ||
| Profitability per hour per tile at Level 5 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Totems of prosperity → |
At 70% accumulation | At 100% accumulation | |||||||
| 0 | 1 | 2 | 3 | 0 | 1 | 2 | 3 | ||
| Oracles of fortifi- cation |
0 | $ 77 | $ 90 | $ 103 | $ 116 | $ 94 | $ 107 | $ 120 | $ 133 |
| 1 | $ 83 | $ 96 | $ 108 | $ 121 | $ 98 | $ 111 | $ 124 | $ 137 | |
| 2 | $ 88 | $ 101 | $ 114 | $ 127 | $ 102 | $ 115 | $ 128 | $ 141 | |
| 3 | $ 94 | $ 107 | $ 120 | $ 133 | $ 106 | $ 119 | $ 132 | $ 145 | |