User blog comment:Linathan/Brave Frontier X Fire Emblem Heroes Collaboration/@comment-26045626-20180401062110/@comment-26947994-20180401072335

I'd like to note that we're getting two OP spheres for free, on the 15th day login. Usually, Gimu makes us work for it by running Easter vortex dungeon 70 times for a Frogeberg Egg, but I'm glad they're getting more generous.