问：4399赤瞳之刃不灭帝具怎么得？赤瞳之刃不灭帝具在哪得？ 答：赤瞳之刃不灭帝具可以通过活动不灭帝具的觉醒获得。
? The blade of the red eye not to destroy the emperor with where to get? Answer: the edge of the red eye not to destroy the emperor with the awakening of the Immortal Emperor can be obtained through activities.
