Forge

Level Lumber Base Level Upgrade time XP
1 3 8 2s 1
2 792 8 12h 60
3 3 456 14 1d 2h 128
4 13 968 28 2d 13h 305
5 35 280 40 7d 7h 400
6 106 560 55 22d 16h 400
7 106 560 55 22d 16h 400