Le Bois est l'une des ressources les plus importantes nécessaires au développement de ta Ville. Mène cette Étude pour accélérer la production de Bois.
| Niveau | Nourriture | Bois | Fer | Pierre | Argent | Or | Subvention | Temporels | Conditions | Production de Bois augmentée | Pouvoir | Expérience du Héros |
| 1 | 3M | 3M | 3M | 3M | 3M | 96.5K | - | 5w 00h 00m 00s | 1.5% | 260K | 125K | |
| 2 | 6M | 6M | 6M | 6M | 6M | 150K | - | 8w 3d 00h 00m 00s | Académie 22 | 4.5% | 480K | 155K |
| 3 | 12M | 12M | 12M | 12M | 12M | 230K | - | 14w 1d 00h 00m 00s | Académie 24 | 9% | 885K | 180K |
| 4 | 24M | 24M | 24M | 24M | 24M | 350K | - | 23w 5d 00h 00m 00s | Académie 25 | 15.5% | 1.65M | 210K |
| 5 | 48M | 48M | 48M | 48M | 48M | 550K | - | 39w 6d 00h 00m 00s | 24% | 3M | 245K | |
| 6 | 95.5M | 95.5M | 95.5M | 95.5M | 95.5M | 860K | 810 | 67w 00h 00m 00s> 1 Année(s) | Académie 27 | 34.5% | 5.55M | 285K |
| 7 | 195M | 195M | 195M | 195M | 195M | 1.35M | 1 400 | 112w 5d 00h 00m 00s> 2 Année(s) | Académie 28 | 47% | 10.5M | 330K |
| 8 | 385M | 385M | 385M | 385M | 385M | 2.15M | 2 300 | 189w 4d 00h 00m 00s> 3 Année(s) | 62% | 19M | 375K | |
| 9 | 765M | 765M | 765M | 765M | 765M | 3.4M | 3 900 | 319w 00h 00m 00s> 6 Année(s) | 79.5% | 34.5M | 430K | |
| 10 | 1.55B | 1.55B | 1.55B | 1.55B | 1.55B | 5.45M | 6 500 | 536w 6d 00h 00m 00s> 10 Année(s) | 100% | 63.5M | 490K | |
| 3.08B | 3.08B | 3.08B | 3.08B | 3.08B | 14.59M | 14.91K | 1 316w 2d 00h 00m 00s> 25 Année(s) | 100% | 139.33M | 2.83M |
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