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| Crystal Lighthouse level 1-5 | The Great Bell Spire level 1-5 |
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| Crystal Lighthouse level 6+ | The Great Bell Spire level 6+ |
Pros:
- Grants free goods depending on how many provincies you have completed on the world map.
- Extends the time neighbourly help stays at your culture buildings, allowing you to maintain a higher culture bonus.
Cons:
- To get the maximum effect out of this building you need to do neighbourly help daily to as many players as possible, which can be very draining.
Authors note: Wonders above level 20 are not yet aviable to players, the values listed here are taken straight from the game files.
| Crystal Lighthouse / The Great Bell Spire | ||||||||||
| Reward for Help | ||||||||||
| Level | Extended Neighbourly Help (base = 8 hours) |
Neigbourly Help Reward (% of completed provinces) |
1 | 2 | 3 | 4 | 5 | 6 | 7 | Knowledge Points |
| 1 | 10h 24min | 30% | 5/1 | 5/1 | 5 | 5 | 175 | |||
| 2 | 10h 48min | 35% | 10/1 | 5/1 | 5/1 | 5 | 250 | |||
| 3 | 11h 12min | 40% | 10/1 | 10/1 | 5/1 | 5 | 5 | 310 | ||
| 4 | 11h 36min | 45% | 15/1 | 10/1 | 10/1 | 5/1 | 5 | 380 | ||
| 5 | 12h | 50% | ||||||||
| 6 | 12h 48min | 60% | 20/2 | 15/1 | 10/1 | 5/1 | 5 | 5 | 490 | |
| 7 | 13h 12min | 65% | 20/2 | 15/2 | 10/1 | 10/1 | 5 | 5 | 540 | |
| 8 | 13h 36min | 70% | 20/2 | 15/2 | 10/1 | 10/1 | 5/1 | 5 | 590 | |
| 9 | 14h | 75% | 25/2 | 20/2 | 15/1 | 10/1 | 5/1 | 5 | 630 | |
| 10 | 14h 24min | 80% | ||||||||
| 11 | 15h 12min | 90% | 25/3 | 20/2 | 15/2 | 10/1 | 5/1 | 5 | 720 | |
| 12 | 15h 36min | 95% | 30/3 | 20/2 | 15/2 | 10/1 | 5/1 | 5 | 760 | |
| 13 | 16h | 100% | 30/3 | 25/2 | 15/2 | 10/1 | 5/1 | 5 | 810 | |
| 14 | 16h 24min | 105% | 30/3 | 25/2 | 20/2 | 10/1 | 10/1 | 5 | 840 | |
| 15 | 16h 48min | 110% | ||||||||
| 16 | 17h 36min | 120% | 35/3 | 25/3 | 20/2 | 15/1 | 10/1 | 5 | 920 | |
| 17 | 18h | 125% | 35/4 | 25/3 | 20/2 | 15/1 | 10/1 | 5 | 960 | |
| 18 | 18h 24min | 130% | 40/4 | 30/3 | 20/2 | 15/1 | 10/1 | 5/1 | 5 | 990 |
| 19 | 18h 48min | 135% | 40/4 | 30/3 | 20/2 | 15/1/td> | 10/1 | 5/1 | 5 | 1030 |
| 20 | 19h 12min | 140% | ||||||||
| 21 | 20h | 150% | 40/4 | 30/3 | 25/2 | 15/2 | 10/1 | 5/1 | 5 | 1090 |
| 22 | 20h 24min | 155% | 1130 | |||||||
| 23 | 20h 48min | 160% | 1160 | |||||||
| 24 | 21h 12min | 165% | 1190 | |||||||
| 25 | 21h 36min | 170% | ||||||||
| 26 | 22h 24min | 180% | 1250 | |||||||
| 27 | 22h 48min | 185% | 1280 | |||||||
| 28 | 23h 12min | 190% | 1310 | |||||||
| 29 | 23h 36min | 195% | 1340 | |||||||
| 30 | 24h | 200% | ||||||||
| Legend | ||||||||||
| Reward not yet known. | ||||||||||
| Reward data incomplete. | ||||||||||
| Reward data complete and confirmed. | ||||||||||
| 5 | This rewards 5 knowledge points | |||||||||
| 25/2 | The first numbers is the amount of knowledge points rewarded (25), the second digit the amount of runes (2). | |||||||||
Table Conversion: From % to Numbers
Goods Generation Table:
Orange Row: Is the level of your wonder.
Green Collumn: The amount of provinces you completed
Orange Row: Is the level of your wonder.
Green Collumn: The amount of provinces you completed