Gadvia:Blue Crystal

Blue Crystals are Gadvia's paid currency. 1 USD is about 100 Blue Crystals.

Pricing

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Prices of Blue Crystals

Rewards

A small amount of  Blue Crystals can be recieved for free by completing Hunter Missions, Explorer Missions and Artisan Missions. Note that some of the missions are locked behind paid content, so not all of the Blue Crystal rewards are obtainable for free.

Uses

 Blue Crystals can be used for a variety of things.

Purchasing Gold Coins

In the Store, the player can purchase  Gold Coins in exchange for  Blue Crystals. Just like purchasing  Blue Crystals. When using an offer for the first time, the player gets a 20% bonus amount of coins. For example, when purchasing coins using the 100 000 coin option for the first time, the player will recieve 120 000. Each additional use of this option will give 100 000 coins. This does not affect other offers; after purchasing the 100 000 coin option, the player may purchase the 50 000 coin option and will still recieve an additional 10 000 coins as a bonus.

Gold Coin	First Purchase Bonus (20% increase)	Price (Blue Crystals)
10 000	+2 000	100
50 000	+10 000	490
100 000	+20 000	950

Replenishing insufficient resources

When the player lacks resources for repairing or upgrading a building, or trading near the Campfire,  Blue Crystals or  White Crystals can be used to purchase the missing resources. The price depends on the resource and the amount of the resource. The price in  Blue Crystals is calculated by multiplying the total price of all missing items in  Gold Coins by a factor of 0.1 and rounding up. The price in  White Crystals is calculated by multiplying the total price of all missing items in  Gold Coins by a factor of 0.5 and rounding up. Some example prices are listed below.

Item	Blue Crystals	White Crystals	Gold Coins
Chicken Blood	1	3	5
Red Wood	2	10	20
Millet	1	1	2
Millet x4	1	4	8
(general case)	ceil(x * 0.1)	ceil(x * 0.5)	x

Unlocking slots

In some buildings, such as the Taro Field, the House and the Kitchen, additional slots can be unlocked using Blue Crystals. The price is 20 Blue Crystals for 1 additional slot.

Direct completion

Some time-based events, such as waiting for food to be ready in the Taro Field, the House, and the Kitchen buildings, or constructing weapons in the Workshop, can be skipped or shortened using Blue Crystals, ads, or Boost Vouchers. The price of direct completion depends on the time that the player needs to wait, and can be calculated using the formula: ceil(minutesLeft / 7).

Duration range	Price ( Blue Crystals)
0 - 7 minutes	1
7 - 14 minutes	2
14 - 21 minutes	3
21 - 28 minutes	4
28 - 35 minutes	5
35 - 42 minutes	6
42 - 49 minutes	7
49 - 56 minutes	8
56 - 63 minutes	9
63 - 70 minutes	10
...	...
x minutes	ceil(x / 7)