Guild Wars 2

Is it possible to purchase a physical edition of the expansion? Or is it digital only?

https://help.guildwars2.com/entries/105801626-Guild-Wars-2-Heart-of-Thorns-FAQ

Specifically

Q: Will this expansion only be available digitally, or will there be a boxed edition as well?
A: Both. Once Guild Wars 2: Heart of Thorns is available, you’ll be able to buy it digitally or get boxed editions at retail stores.