ive heard of this thing called mana shield under ice, i heard it is a buff that last 2mins, with 1min cool down, and for those 2mins. u can tank much dmg like this: say a pure str glavier does 10k crit to u...(assuming ur pure int here) 5k goes from HP and 5k goes from MP

...this sounds like a good buff but i dont kno if i want to drop fire for ice of not....anyone have anymore helpful info about this buff....plz help!