Arcane Mastery is a passive skill that provides a 25% reduction on mana cost of
spells that cost over 10 mana and also halves the casting time of most spells.
Additional mana reduction from gear is applied after the arcane reduction. You can still benefit from the full 50 maximum mana reduction from gear.
Arcane Mastery will work in combat however the player must either have AUTO-
ATTACK turned off or is not wielding a weapon at all.
NOTE: You must know CHANT to learn Arcane Mastery. You cannot learn Arcane
Mastery if you know AUGMENT, DUAL WIELD, or WEAPON MASTERY
The following are required to learn this skill based on the above qualifications:
You cannot learn this skill if you know any of the following,
and this skill prevents learning any of the following skills: