They got wind there might be someone out there in the nether world with incredible abilities they could commandeer.
Why would they admit the tips come from the nether world?
Her name signifies "lady of the nether-world."
This all took place at Valarshapat, where Gregory, anxious to fix a site on which to build shrines for the relics of Ripsime and Gaiana, saw the Son of God come down in a sheen of light, the stars of heaven attending, and smite the earth with a golden hammer till the nether world resounded to his blows.
Her prayer was granted, and on the expiration of the time allotted she returned with him to the nether world.