Feferi shrugged at his question, replying simply, "By the sea. Well, by, under...mostly under, if I'm being honest. The places no-one else thinks to look."

Mostly, of course, because no-one else save for Eridan, as far as she knew, happened to be a Sea Dweller.

"But we don't have to use it all. If there's anything left, I can always decorate my respiteblock with them."