FOE: Compare Botanical Rotunda vs
Champion's Retreat
Forge Of Empires special buildings
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( ALL) Road: YES Land: 3x3![]() |
( ALL) Road: YES Land: 3x3![]() Notes: When this building is upgraded, all trained champions within it by that time will turn into unattached champions to make room for production of attached champions of the newer age. |
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| Bronze_Age | 5% | 410 | 45.56 |
| Iron_Age | 5% | 590 | 65.56 |
| Early_Middle_Ages | 5% | 660 | 73.33 |
| High_Middle_Ages | 6% | 710 | 78.89 |
| Late_Middle_Ages | 6% | 770 | 85.56 |
| Colonial_Age | 6% | 880 | 97.78 |
| Industrial_Age | 7% | 960 | 106.67 |
| Progressive_Era | 7% | 1050 | 116.67 |
| Modern_Era | 7% | 1120 | 124.44 |
| Postmodern_Era | 8% | 1250 | 138.89 |
| Contemporary_Era | 8% | 1360 | 151.11 |
| Tomorrow_Era | 8% | 1650 | 183.33 |
| Future_Era | 9% | 1980 | 220.00 |
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Key: - Increase in offensive army (attack boost) - Increase happiness / - Happiness per square | |||