Redemption is available as the round starts until the end of the following month.
For example, in the case of an event held in April, you may claim your reward from April 1st, when it begins, until May 31st, the last day of the following month. Note that you are NOT allowed to redeem your prize even after completing all mission card set once the redemption period is over. Please claim the prize you have won within the redemption period.
Mission cards that have passed the redemption period can be found in Iskra Wallet > Game NFT > Mission Card.