First off, that is a very odd icon, her face does weird things.

Val and Ben make a lot of sense with the world they're from, you get so many world ending explosions that you just have to learn how to take them in stride.

Poor Grover, Demeter would like to tell him that this ending is one her family for once has nothing to do with. They really should talk, I can't remember if they have or not. I know she's met Percy and Annabeth.