Guild Points come from either failing or passing Master Quests in Ladder Slasher.
You have to level a character to 71 and then you can attempt a MQ, if you fail you get +1 GP and if you pass you get 2 or more, depending on which character you are using.
I hope I'm right about this
This post was edited by hphman1193 on Jul 12 2011 07:58pm