The Guild event begins!  Here is the promised prize information:

Glory of the Guilds
First, second and third place will be determined by number of Victory Points.  Prizes are as follows:
1st)  3600 Gran divided up amoung the guild members.  If you have less then 3 members, the Gran will still be divided by 3.  All members will will be given a Golden Banner icon next to their Avatar until the next Guild Event.
2nd)  1800 Gran divided up amoung the guild members.
If you have less then 3 members, the Gran will still be divided by 3.  All members will will be given a Silver Banner icon next to their Avatar until the next Guild Event.
3rd)  600 Gran divided up amoung the guild members.
If you have less then 3 members, the Gran will still be divided by 3.  All members will will be given a Bronze Banner icon next to their Avatar until the next Guild Event.

Prosperity of the Guilds
All Guilds will get Gran baised on the number of Guild points earned this week, just like normal rankings.  This Gran will then be divided up among the members.  If you have less then 3 members, the Gran will still be divided by 3.  All players who are members of a guild will get at least 10 Gran if they duel this week.

Complete details can be found here.