This is my first post here and I searched and didn't see this posted anywhere else, but I found this glitch that lets you regen mana in combat as if you were drinking. I'm not a 100% how it works yet but so far I know that it happens if you're drinking then stand up and hit a mob really fast. The point is, that eve n if your not drinking to regen mana, you'll regen mana the same speed while in combat. This is very hard to do, I've only got it to work 3 or 4 times but it is well worth it when you get it to work.