DNF光之根源可以通过做任务和打副本获得，光之根源可以在NPC艾丽卡处兑换道具。步骤如下：
需要工具：电脑、地下城与勇士
一、首先我们找到NPC海德·伯恩·克鲁格，传送至克洛洛斯岛。
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二、然后移动至下图蓝色坐标区域。
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三、现在开始组队凑人，我们要去攻打卢克副本。
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四、点开全部任务，接日常任务“[卢克]科学家的义务”完成任务可以获得光之根源。
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五、卢克普通副本内，每个绿名怪斗掉落1个光之根源。
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六、BOSS掉落2个光之根源。
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七、光之根源可以在NPC艾丽卡处兑换道具。
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