Talk:"Spirit Collection"/@comment-11176760-20150201204854/@comment-17760674-20150202011536

Communication is very important. The in-game guild bulletin isn't sufficient for most guilds that go to level 50 and beyond, so a 3rd-party chat application (Line, WeChat, Skype, KakaoTalk or whatever it's called, Viber, etc--many different options out there, so I listed a few of the common ones) is a necessity for most guilds that go to 50 and beyond, because these apps provide phone notifications for new messages, unlike the in-game guild bulletin.

Active guildmates are also a must, of course. xD