Would Hel have kept her bargain with Thrym if he succeeded?

[Mad Humanist]

... and they had to look for them because they didn't know where they waited. The demigods were nobodies, and so were completely unpredictable since none of the gods apart from Hel bothered to figure out what would happen nor seek their favors.

It also did not help that all of the ushers had been murdered.