Quote Originally Posted by dreamlitz View Post
I think those events are called guild games (or whatever they decide to translate it to.) They occur roughly every 2 months, just like tower. In theory, you can get 1 brick per event, but most of the guild medals come from ranking rewards, so unless you are a top player, you are unlikely to earn 1 per event.
Yeah, Eidolon bricks cost 15k points. I have no idea what is the income of those points per event.