If you have already linked your accounts and the items do not appear, try restarting the software and returning to the Somniel. Note that once a code is generated, it typically must be used within before expiring.
: After the download completes, launch the game and travel to the Somniel (accessible after completing Chapter 3) to receive the items automatically. Download File Fire Emblem Engage [Order of Hero...
To obtain these items, you must link your My Nintendo Account between both games: If you have already linked your accounts and
: Grants +2 Defense to adjacent allies at the start of the player phase. Download File Fire Emblem Engage [Order of Hero...
: Select the "Nintendo Switch Game Bonus Code + 5 Orbs" reward to receive a 16-digit download code.