First, an easy point: " Hela " seems to be quite recent. Her standard name is Hel. As for strength, it depends what you're trying to get done. Or where.
2 Answers · Society & Culture · 07/03/2013
Pray to, not so much. Work with, on occasion. Awesome for help in difficult transitions (especially of the person is ready to go, but family is keeping him here).
3 Answers · Society & Culture · 29/09/2011
Knockers,cobolds, dwarves, gnomes,goblins--sprites and fairy beings Hades,pluto, Arawn, Hela ,Gwyn--underworld gods
8 Answers · Society & Culture · 17/10/2007