Do supporter packs stack?

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Perusoe wrote:

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xNYROx wrote:

...does it matter if I buy the points pack in-game via steam launch or not as far as being able to upgrade? I noticed the supporter packs do not show up on the in-game market if I launch from steam.

I don't use Steam, so I'm afraid I can't help you there. However, if you email GGG Support (support@grindinggear.com), they will be able to tell you what your options are.

Or you could just purchase here, through the PoE website.