Here, at long last, are the answers to our earlier quiz: which goddesses loan Mary Marvel their awesome powers of grace, beauty, etc?
As for what those goddesses do all day long? Well, Sivana has tricked Mary into wearing earrings that block the lightning bolt's power!
So she asks Selena, Hippolyta, et al, for a little extra oomph this time!
From Mary Marvel #1 (1945)