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Great Imperial Crown
Unlock Condition
Reach Level 9 with Catherine the Great.
Benefit
Cities gain +5% 
Science per Great Work on display (Max 25%).
Science per Great Work on display (Max 25%).Description
Jewels like stars.
Strategy Tips
- Plan your strategy around the unlock condition to earn this memento efficiently.
- Consider how this memento's benefit aligns with your civilization's strengths.
- Mementos provide permanent benefits, making them valuable long-term investments.
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