Hey all. Moving this to HELP as it's where it belongs. When reporting issues with the game, please make sure to put them in that section - it's the one we monitor first. The issue that causes "Waiting for servers" to display and buffer for a long time while trying to buy potions is actually a bug. Opening your inventory should make the buffering stop in most cases: https://discordapp.com/channels/491178626230779906/564719892490747907/589087399800340496We're already working on a fix for it and it should be deployed in our next patch.
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Originally posted by vacalpotan: What do you need to unlock party/coop option? What level or what mission or...???
Hey Vacalpotan. To play co-op, you need to reach the Campaign act "The Prayers" which is in Act I. This will unlock missions and assassinations, as well as co-op. After you finished the prayers, just click the Party tab and you'll be able to play with others!