Adventure Stones are account bound (not blockchain items) and required to take out Blockchain loot.
They are only consumed if you die, quit the game early or exit with Blockchain loot. Some game modes have additional rules.
22 x Adventure Stones
Upon purchase you will receive your items into your online account. Blockchain items will be sent to your wallet at and removed from your online account. Other items will remain in your online account.
All items are immediately added to your online account and will allow you to instantly gain access and use them, even if the Blockchain is congested.
Blockchain items might be delayed. When Ethereum Gas prices are high, sending will be delayed as the network is congested. Items are generally sent out within a couple of minutes but if there is a backlog it can take several hours to several days depending on congestion.