Hello, Commander.

Thank you for contacting the world warfare support team. As for this issue, by the time you purchase this item, it's activated. The item in the inventory is a reminder of the time countdown.

You can go to the season page directly, complete the missions, and claim the rewards. No need to worry about the battlefield icon in your inventory.

If you find this message is helpful, then it's great; if you don't, please contact us immediately. Thank you.