Board Thread:Dark Souls II/@comment-74.111.217.168-20150623180817/@comment-4511886-20150623192428

That washow co-op (and PvP) worked in Dark Souls. In DaSII, it's based on Soul Memory (SM). Basically, that means that you need to get about the same amount of Souls as your friend to play. You can see your SM on the top right of the "Character Info" screen.