Passive - Increases the rate at which you recover mana.
Warmth can be a very important skill for the Sorceress because almost all of the Sorceress' skills require Mana, faster Mana Recovery Rate will allow for less downtime between fights and will allow you to use less Mana Potions to recover Mana.
Keep in mind that having more Mana (with +Mana Items, More Energy,
Frostburn,
Stone of Jordan), can also make your mana regenerate faster so you may not have to maximize
Warmth to get the desired rate of Mana Regeneration.
However, if you have extra points, and don't have a place to spend them, why not spend them in
Warmth.
Critics disagree as to how much is enough
Warmth. Some say to maximize the
Warmth skill, while others say having lots of Mana and using Mana Potions is enough. All agree that at least one point in
Warmth is worth it. You can make the decision for yourself.
Warmth + Regeneration Items
How does an item with Mana Regeneration work with
Warmth?
In this case the formula is: [BaseRegenrate*(100%+Warmth)]+item.
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