User blog comment:Omyx/Cannonbolt Fest/@comment-675420-20111108232319/@comment-2088259-20111109230809

I think it should be semi-annual rotating like this:

2011 Winter- Cannonbolt

2012 Summer- Waybig

2012 Winter- Upgrade

2013 SUmmer- Rath

2013 Winter- Diamondhead

2014 Summer- Clockwork

2014 Winter- Cannonbolt