I'm a little confused on their purpose. I've participated in two already, but I don't feel like I really gained anything other than some experience for the Fighters' Guild. Is that all they are used for? Does the FG experience come from just killing the daedra or actually closing the anchor itself?
Is this the only way to gain FG experience, does doing FG quests get you some?
How often do they appear? Once every hour, few times a day?
Thanks guys!