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Ding!
[You have used the [Skill Book: Double Cast (B Grade)] and the [Skill Book: Mana Overload (B Grade)]!]
[You learned the [Double Cast: Lv1/10] and the [Mana Overload: Lv1/10] Skills!]
[You have equipped both Skills in your Job Class Skill List. 14/14]
After equipping both Skills, I decided to check their descriptions. These were pretty useful Skills that would boost my firepower a lot, in terms of Magic Spell casting, so they were a must for me.
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[Double Cast: Lv1/10]
[Skill EXP]: [0/5.000]
A Skill learned from a Skill Book. This Skill can Level Up by constant usage and accumulation of Skill EXP + Skill Points.
A powerful yet difficult to use Magic Skill that only wizards with large Mana Pools would dare use, it allows them to instantaneously conjure two spells at once without any mental or thinking requirement.