The Scholars' Hall is a place of secret knowledge and scientific advancement. By order of the Master or Counselors, unique Studies are conducted here. Upgrading this building gives you access to new Studies and speeds up the studying process.
| Level | Time | Planks | Marble | Cast Iron | Rations | Tokens | Drafts | Requirements | Order Citadel Power | Studying Speed |
| 1 | 2w 1d 00h 00m 00s | 15 000 | 15 000 | 5 000 | 12 000 | 3 000 | 500 | Mint 1 | 188 000 000 | 0% |
| 2 | 3w 1d 00h 00m 00s | 29 500 | 29 500 | 9 800 | 23 500 | 5 900 | 650 | Mint 2 | 260 000 000 | 0.5% |
| 3 | 9w 3d 00h 00m 00s | 236 000 | 236 000 | 80 000 | 188 000 | 48 000 | 800 | Mint 3 | 365 000 000 | 1% |
| 4 | 14w 4d 00h 00m 00s | 255 000 | 255 000 | 85 000 | 205 000 | 51 000 | 975 | Mint 4 | 510 000 000 | 1.75% |
| 29w 2d 00h 00m 00s | 535 500 | 535 500 | 179 800 | 428 500 | 107 900 | 2 925 | 1 323 000 000 |
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