I'm not sure about this, but what's the consensus on Thor's Might and Hel's Might? Is this just Durkon and Greg's respective gods/goddesses giving them power, or would it count as an ability/spell?

If it's the first one, I'm sure Durkon's spells "Heathen Smiting", "Tumor" and "Heat Blisters Of Eternal Pain" would also be things that Thor grants upon him (a bit of his power put into the answering machine). I'm also sure that if they were spells Durkon could cast without asking Thor's answering machine first in prayer (he was out of spells at the time, I think) he would have used them at some point in the last 1100 comics if this wasn't just a gag. So, I don't think they should be in his spells list