So been testing it out and every 5 piety is 1 mp per refresh tick while engaged! I know its a % but i did the math and no matter what its every 5 piety. And you can only get max 100mp per refresh tick while engaged you can't get more i have tried! But what I don't understand is why 430 and not 500? I am assuming 70 based piety that doesn't show up in stats! Piety will give you more MP over 430 and I am also trying to figure out if it gives you larger shrouds of saints returns cause i see a few ppl saying it doesn't but from I see I think it does!