[Mastery Book] Chain Lightning 30 ([技能書]閃電連擊30)

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	[Mastery Book] Chain Lightning 30 ([技能書]閃電連擊30)
This increases the master level of Chain Lightning up to 30 with 50% of chance. Class : Arch Mage(Ice, Lightning) Condition : Skill level above 15
掉落怪物: 黑道長老