[Mastery Book] Boomerang Step 20 ([技能書]瞬步連擊20)

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	[Mastery Book] Boomerang Step 20 ([技能書]瞬步連擊20)
This increases the master level of Boomerang Step up to 20 with 70% of chance. Class : Shadower Condition : Skill level above 5
掉落怪物: 回憶守護隊長, 萊伊卡