- Hieroglyphics reducing the Research costs: 1% per level.
- Irrigation increasing the Papyrus production: 0.5% per level.
- Geometry reducing the Construction costs: 1% per level.
- Herbal Medecine reducing the Healing costs: 1% per level.
- Architecture reducing the Construction time: 1% per level.
- Measurement increasing the Warehouse space: 1% per level.
- Treaties increasing the Serdab space: 1% per level.
- Espionage increasing your chance to spy, and reducing the amount of Bedouin you need to spy.
- Barter increasing the Cargo capacity: 1% per level.
- Mineralogy increasing the Granite production: 0.5% per level.
- Glassmaking reducing the Spell cooldown: 2% per level.
- Mummification reducing the Healing time: 2% per level
- Alchemy reducing the Units costs: 1% per level.
- Zodiac increasing the Loot bonus: 1% per level.
- Maat reducing the Festival cooldown: 2% per level.
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Hieroglyphics |  |
Irrigation |  |
Geometry | ||
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Herbal Medicine |  |
Architecture |  |
Measurement | ||
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Traties |  |
Espionage |  |
Barter | ||
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Mineralogy |  |
Glassmaking |  |
Mummification | ||
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Alchemy |  |
Zodiac |  |
Maat |