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The __Black Gems (BG)__ are a special resource that can be used to purchase in-game services and enhancements (the __Ancient Magic__ usage).\\
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__How to obtain the Black Gems__:\\
- gain control over a [Salt Lake|Lake] or a [Grail|Grail]. The Main Buildings in Salt Lakes produce the Black Gems;\\
- steal the Black Gems from Monsters who live in [Ruins|Ruin];\\
- buy the Black Gems for in-game Gold at the Auction that is located in the [Market|Market] building.\\
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The Black Gems can't be stolen from players. \\ 
The BG account is bound to a player's character on server and isn't bound to a certain domain.\\
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You can present other players with BG by using the service ["Present BG"|GiftBG].\\
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__For the Black Gems you can purchase:__\\

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%%tab-Premium
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Advantages of the __[Premium|Premium]__:\\
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  * Automatic Exploration. [How to launch Automatic Exploration|AutoExploration]\\
  * Easy view of explored squares from the Kingdom Map\\
  * Population don't abandon buildings due to long absence of a ruler\\
  * Population don't riot due to long absence of a ruler\\
  * A character isn't deleted due to long absence of a ruler\\
  * Queue of sciences. [How to queue sciences|ScienceQueue]\\
  * Queue of construction and upgrade. [How to queue buildings|ConstructionQueue]\\
  * More mail smileys\\
  * More messages in the Archive\\
  * More players in the Contact List\\
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%%tab-Global_Services
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Global Services affect all your domains. The __Global Services__ are :\\
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* Science studying acceleration in Alchemist Labs of all domains (Ancient Magic +25%)\\
* Explorers' travelling speed increase (+50%)\\
* Merchants' travelling speed increase (+50%)\\
* Woodcutter Cabins' production speed increase in all domains (Ancient Magic +25%)\\
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* Stone Quarries' production speed increase in all domains (Ancient Magic +25%)\\
* Iron Plants' production speed increase in all domains (Ancient Magic +25%)\\
* Windmills' production speed increase in all domains (Ancient Magic +25%)\\
* Trading Posts' production speed increase in all domains (Ancient Magic +25%)\\
* Gold Plants' production speed increase in all domains (Ancient Magic +25%)\\
* Instant receiving a certain amount of Gods' Favour (allowed once a day)\\
* You can instantly stop being a Renegade\\
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%%tab-Local_Services
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Local Services affect only one chosen domain. The __Local Services__ are:\\
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* Faster Gate closing \\
* Population Growth acceleration in each Cottage\\
* Instant completion of all the constructions and upgrades (impossible under siege)\\
* Maximum Defence value of troops in the Garrison (assistance slots don't belong to Garrison)\\
* Instant completion of Settler training (impossible under siege)\\
* Instant completion of Counter-Spies training (impossible under siege)\\
* Instant completion of Mirrors training (impossible under siege)\\
* Ruler's palace architecture change\\
* Buildings arrangement\\
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Also, you can present other players with animated gifts. Good or bad – at your choice. Click a player's City (from the Kingdom Map) and choose the "__Send Gifts__" option in the menu.
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__How to purchase Premium:__ Click the Treasure Chest button at the bottom left and "Purchase" in the "Premium" tab.
The Premium will be active for a certain period that is shown in the same window. It can be prolonged any time.\\
"Month" means 30 days.\\

[{Image src='temp.jpg'  align='center'}]\\
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__How to purchase Global Services:__ Click the Treasure Chest button in the bottom left. Choose a service you wish to get in the "Global Services" tab and click "Purchase".
Some services work for a certain period of time shown in the window. A service can be prolonged any time.\\Also, some of the listed services can be bought directly in the dialogue box of a corresponding building. For example, the service "Production in Windmills of all domains +25%" can be bought in a Windmill's window.\\
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__How to purchase Local Services:__ Click the Treasure Chest button in the bottom left. Choose a domain you wish to get a service for in the "Local Services" tab. Choose a service you wish to get and click "Purchase".
Some Local Services work for a certain period of time shown in the window. They can be prolonged any time.\\

Also, some of the services listed above can be bought directly in the dialogue box of an appropriate building. For example, the service "Close Gate faster" can be bought in the window of Gate closing.\\
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