Arknights: Endfield: WhatsApp linking reward and claim requirements (15 October 2026)
Details from the Arknights: Endfield announcement dated 15 October 2026: WhatsApp linking reward and claim requirements.
Linking WhatsApp to Arknights: Endfield offers 100 Oroberyl. Each game account can receive the reward once; linking a different WhatsApp account does not create another claim.
The feature is available to accounts on the Asia and Americas / Europe servers. Complete the Prologue and unlock Mail before claiming. Check the account's server and progress so that it can receive the reward.
The reward is delivered to the linked account's in-game mailbox. The message remains valid for 30 days; check the recipient and collect the reward before that message expires.