This is the Eternal Kingdom Battle Peak team.

Info regarding the Blackstones 180-day depreciation

Blackstones that you can purchase in the in-game shop will be converted and depreciate (deleted) in order of 180 days after purchase with the following details.

○Every 10 Blackstones: 1 Mileage

○Every 50 Blackstones: Arclore Production Ticket [Whitestone] 1x

*If the number of blackstones depreciated at one time was 1-49, an additional 1 mileage will be sent (If it was 21, you will get x3).
*Mileage will be sent to your account in your mailbox.
*Mileage will be distributed at the time of login on the platform where Blackstones are depreciated.
*Production tickets are directly reflected in the number of tickets on the Arclore production screen.
*Production tickets can only be used on the depreciated Blackstone purchase platform (Production ticket obtained from depreciation on the iOS version cannot be used in the Android version).

Ex) ①If 2419 Blackstones depreciate on the iOS version
⇒241 Mileage, Arclore Production Ticket [Whitestone] x48

②If 45 Blackstones on the Android version and 200 on the iOS version depreciate
⇒5 Mileage + 20 Mileage, Arclore Production Ticket [Whitestone] x4

・Depreciation will occur at around 4:30 [JST] on the day after the 180 day period has elapsed.
・Blackstones are charged on each platform where it is purchased. Therefore, please note that depreciation will not be combined even if it occurs on multiple platforms at the same time.
・Fractional amounts are not converted and are depreciated.

If Blackstone depreciation occur within 30 days, the scheduled depreciation amount will be displayed under the Blackstone balance in the store "Transaction History".

Please try to use your Blackstones before 180 days have elapsed from the date of purchase.

We look forward to your continued support of "Eternal Kingdom Battle Peak".