Elden Ring: Shadow of the Erdtree (DLC) Steam North America voucher

I bought the Elden Ring Shadow of Erdtree Collector Edition Steam version. But they only have North America version voucher, so I can't use it.

To Buy this, YOU MUST HAVE:

1. Steam account in North America region.

2. Elden Ring main game (Not DLC).

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Release on 2024-06-21

The Shadow of the Erdtree is a fully-fledged expansion that features an all-new story set in the Land of Shadow. It adds a whole new map with 70 new weapons, ten new shields, 39 new Talismans, 14 new sorceries, 28 new incantations, 20 new Spirit Ashes, 25 New Ashes of War, 30 new armour sets, and new consumables and craftables.