User blog comment:SayuriDarling/The House of Hades Official Discussion/@comment-4780373-20131105204434

Nobody has mentioned (at least, I don't think), that Leo's promise to Calypso and the fact Frank is the 'favourite' to die, are connected quite the bit more than 'I think' with no actual facts backing it up. The bag that Frank's carrying - given to Frank by Leo, made by Calypso.

It's probably been stated a bajillion times and everyone will be like: 'Over that 2 weeks ago, honey!'