| The Palace of Darkness is needed to train elite Undead units. |
The Palace of Darkness is a requirement for training certain tier 5-10 units, but serves no other purpose. There is no need to upgrade this structure to level 10.
Upgrades
Edit
| Level | Resources needed to upgrade | Time (hh:mm:ss) | Fame | Requirements | Needed to unlock | ||||
|---|---|---|---|---|---|---|---|---|---|
| Lumber | Ore | Sulfur | Crystal | Gold | |||||
| 1 | 693 | 1210 | 605 | 495 | 11440 | 04:57:00 | 319 | Graveyard lvl 5 | Vampire |
| 2 | 804 | 1404 | 702 | 574 | 12760 | 05:33:00 | 365 | Graveyard lvl 6 | - |
| 3 | 942 | 1646 | 823 | 673 | 14960 | 06:33:00 | 428 | Graveyard lvl 6 | - |
| 4 | 1137 | 1984 | 992 | 812 | 18040 | 07:57:00 | 516 | Graveyard lvl 7 | Ghost Knight |
| 5 | 1386 | 2420 | 1210 | 990 | 22000 | 09:45:00 | 630 | Graveyard lvl 7 | - |
| 6 | 1691 | 2952 | 1476 | 1208 | 26840 | 11:57:00 | 768 | Graveyard lvl 8 | - |
| 7 | 2051 | 3582 | 1791 | 1465 | 32560 | 14:33:00 | 932 | Graveyard lvl 8 | Bone Dragon |
| 8 | 2467 | 4308 | 2154 | 1762 | 39160 | 17:33:00 | 1121 | Graveyard lvl 9 | - |
| 9 | 2935 | 5130 | 2565 | 2099 | 46640 | 20:57:00 | 1336 | Graveyard lvl 9 | Ghost Dragon |
| 10 | 3465 | 6050 | 3025 | 2475 | 55000 | 24:45:00 | 1575 | Graveyard lvl 10 | - |
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