Cheiromancer said:@KarinsDad: I think the caster should be able to only cast 2 epic spells, but the rules don't support that reading. 4 would be better than 6, but I don't think the rules say that either. Could you spell out why the divine benefit isn't invoked twice, once for Knowledge (religion) and once for Knowledge (nature)? If I can get $100 for selling my comic books OR by selling my RPG books, I should be able to get $200 if I sell both, right?
Looked at another way, someone will give you $100 for your comic books OR for your RPG books. That does not mean he will give you $200 for both.
If you are a divine spellcaster, you may cast a number of epic spells per day equal to your ranks in Knowledge (religion) or Knowledge (nature) divided by 10.
Divine spellcaster? Check.
(Knowledge religion or Knowledge nature) / 10 = 2? Check.