It should reduce 25% of mana required to cast spell at 100.0 skill level.

Each 4.0 in skill rise reduce about 1% mana requirement.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.